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Versions in this module

v1

v1.0.4-rc.1

May 23, 2026

v0

v0.1.5

Jun 11, 2026

v0.1.5-rc2

Jun 11, 2026

v0.1.5-rc1

Jun 9, 2026

v0.1.4

May 27, 2026

Changes in this version

+ func ClosestMoonPlanetConjunction(jde float64, planet MoonPlanetConjunctionPlanet) float64

+ func HMoonGeocentricApparentDec(jd float64) float64

+ func HMoonGeocentricApparentDecN(jd float64, n int) float64

+ func HMoonGeocentricApparentRa(jd float64) float64

+ func HMoonGeocentricApparentRaDec(jd float64) (float64, float64)

+ func HMoonGeocentricApparentRaDecN(jd float64, n int) (float64, float64)

+ func HMoonGeocentricApparentRaN(jd float64, n int) float64

+ func HMoonGeocentricTrueDec(jd float64) float64

+ func HMoonGeocentricTrueDecN(jd float64, n int) float64

+ func HMoonGeocentricTrueRa(jd float64) float64

+ func HMoonGeocentricTrueRaDec(jd float64) (float64, float64)

+ func HMoonGeocentricTrueRaDecN(jd float64, n int) (float64, float64)

+ func HMoonGeocentricTrueRaN(jd float64, n int) float64

+ func LastMoonPlanetConjunction(jde float64, planet MoonPlanetConjunctionPlanet) float64

+ func NextMoonPlanetConjunction(jde float64, planet MoonPlanetConjunctionPlanet) float64

+ type MoonPlanetConjunctionPlanet int

+ const MoonPlanetConjunctionJupiter

+ const MoonPlanetConjunctionMars

+ const MoonPlanetConjunctionMercury

+ const MoonPlanetConjunctionNeptune

+ const MoonPlanetConjunctionSaturn

+ const MoonPlanetConjunctionUranus

+ const MoonPlanetConjunctionVenus

v0.1.4-rc.2

May 23, 2026

v0.1.3

May 22, 2026

Changes in this version

+ func LastMercuryConjunctionStrict(jde float64) float64

+ func LastMercuryGreatestElongationEastInclusive(jde float64) float64

+ func LastMercuryGreatestElongationInclusive(jde float64) float64

+ func LastMercuryGreatestElongationWestInclusive(jde float64) float64

+ func LastMercuryInferiorConjunctionInclusive(jde float64) float64

+ func LastMercuryProgradeToRetrogradeInclusive(jde float64) float64

+ func LastMercuryRetrogradeInclusive(jde float64) float64

+ func LastMercuryRetrogradeStrict(jde float64) float64

+ func LastMercuryRetrogradeToProgradeInclusive(jde float64) float64

+ func LastMercurySuperiorConjunctionInclusive(jde float64) float64

+ func LastVenusConjunctionStrict(jde float64) float64

+ func LastVenusGreatestElongationEastInclusive(jde float64) float64

+ func LastVenusGreatestElongationInclusive(jde float64) float64

+ func LastVenusGreatestElongationWestInclusive(jde float64) float64

+ func LastVenusInferiorConjunctionInclusive(jde float64) float64

+ func LastVenusProgradeToRetrogradeInclusive(jde float64) float64

+ func LastVenusRetrogradeInclusive(jde float64) float64

+ func LastVenusRetrogradeToProgradeInclusive(jde float64) float64

+ func LastVenusSuperiorConjunctionInclusive(jde float64) float64

+ func NextMercuryConjunctionStrict(jde float64) float64

+ func NextMercuryGreatestElongationEastInclusive(jde float64) float64

+ func NextMercuryGreatestElongationInclusive(jde float64) float64

+ func NextMercuryGreatestElongationWestInclusive(jde float64) float64

+ func NextMercuryInferiorConjunctionInclusive(jde float64) float64

+ func NextMercuryProgradeToRetrogradeInclusive(jde float64) float64

+ func NextMercuryRetrogradeInclusive(jde float64) float64

+ func NextMercuryRetrogradeStrict(jde float64) float64

+ func NextMercuryRetrogradeToProgradeInclusive(jde float64) float64

+ func NextMercurySuperiorConjunctionInclusive(jde float64) float64

+ func NextVenusConjunctionStrict(jde float64) float64

+ func NextVenusGreatestElongationEastInclusive(jde float64) float64

+ func NextVenusGreatestElongationInclusive(jde float64) float64

+ func NextVenusGreatestElongationWestInclusive(jde float64) float64

+ func NextVenusInferiorConjunctionInclusive(jde float64) float64

+ func NextVenusProgradeToRetrogradeInclusive(jde float64) float64

+ func NextVenusRetrogradeInclusive(jde float64) float64

+ func NextVenusRetrogradeToProgradeInclusive(jde float64) float64

+ func NextVenusSuperiorConjunctionInclusive(jde float64) float64

v0.1.2

May 17, 2026

v0.1.1

May 3, 2026

Changes in this version

+ type PlanetTransitResult struct

+ ExternalEgress float64

+ ExternalIngress float64

+ Greatest float64

+ HasExternal bool

+ HasInternal bool

+ InternalEgress float64

+ InternalIngress float64

+ MinimumSeparationArcsec float64

+ PlanetIndex int

+ PlanetSemidiameterArcsec float64

+ SunSemidiameterArcsec float64

+ Valid bool

+ func ClosestMercuryTransit(jde float64) PlanetTransitResult

+ func ClosestVenusTransit(jde float64) PlanetTransitResult

+ func LastMercuryTransit(jde float64) PlanetTransitResult

+ func LastVenusTransit(jde float64) PlanetTransitResult

+ func NextMercuryTransit(jde float64) PlanetTransitResult

+ func NextVenusTransit(jde float64) PlanetTransitResult

v0.1.0

May 1, 2026

Changes in this version

+ const AS2R

+ const D2PI

+ const EARTH_AVERAGE_RADIUS

+ const EARTH_EQUATORIAL_RADIUS

+ const EARTH_POLAR_RADIUS

+ const EPS0

+ const JUPITER_S_PERIOD

+ const MARS_S_PERIOD

+ const MERCURY_S_PERIOD

+ const NEPTUNE_S_PERIOD

+ const SATURN_S_PERIOD

+ const URANUS_S_PERIOD

+ const VENUS_S_PERIOD

+ var ErrInvalidCivilDate = errors.New("invalid civil date")

+ var ErrNeverRise = errors.New("rise event does not occur on this date")

+ var ErrNeverSet = errors.New("set event does not occur on this date")

+ var ErrNotOnThisDate = errors.New("rise/set event occurs on adjacent date")

+ func AJupiterX(jd float64) float64

+ func AJupiterXYZ(jd float64) (float64, float64, float64)

+ func AJupiterY(jd float64) float64

+ func AJupiterZ(jd float64) float64

+ func AMarsX(jd float64) float64

+ func AMarsXYZ(jd float64) (float64, float64, float64)

+ func AMarsY(jd float64) float64

+ func AMarsZ(jd float64) float64

+ func AMercuryX(jd float64) float64

+ func AMercuryXYZ(jd float64) (float64, float64, float64)

+ func AMercuryY(jd float64) float64

+ func AMercuryZ(jd float64) float64

+ func ANeptuneX(jd float64) float64

+ func ANeptuneXYZ(jd float64) (float64, float64, float64)

+ func ANeptuneY(jd float64) float64

+ func ANeptuneZ(jd float64) float64

+ func ASaturnX(jd float64) float64

+ func ASaturnXYZ(jd float64) (float64, float64, float64)

+ func ASaturnY(jd float64) float64

+ func ASaturnZ(jd float64) float64

+ func AUranusX(jd float64) float64

+ func AUranusXYZ(jd float64) (float64, float64, float64)

+ func AUranusY(jd float64) float64

+ func AUranusZ(jd float64) float64

+ func AVenusX(jd float64) float64

+ func AVenusXYZ(jd float64) (float64, float64, float64)

+ func AVenusY(jd float64) float64

+ func AVenusZ(jd float64) float64

+ func ApparentAltitude(trueAltitude, pressureHPa, temperatureC float64) float64

+ func ApparentSiderealTime(jd float64) float64

+ func ApparentSiderealTime1982(jd float64) float64

+ func ApparentSiderealTime2006(jd float64) float64

+ func BoToDec(jde, lo, bo float64) float64

+ func CalcMoonS(year float64, phaseType int) float64

+ func CalcMoonSH(year float64, phaseType int) float64

+ func CalcMoonSHByJDE(jde float64, phaseType int) float64

+ func CalcMoonX(year float64, quarterType int) float64

+ func CalcMoonXH(year float64, quarterType int) float64

+ func CalcMoonXHByJDE(jde float64, quarterType int) float64

+ func ConstellationCode(ra, dec, jde float64) string

+ func ConstellationNameByCodeEN(code string) string

+ func ConstellationNameByCodeZH(code string) string

+ func ConstellationNameEN(ra, dec, jde float64) string

+ func ConstellationNameZH(ra, dec, jde float64) string

+ func CulminationTime(jd, lon, tz float64) float64

+ func CulminationTimeN(jd, lon, tz float64, n int) float64

+ func Date2JDE(date time.Time) float64

+ func DecToBo(jde, ra, dec float64) float64

+ func DefaultDeltaTv2(date float64, isJd bool) float64

+ func DeltaT(date float64, isJDE bool) float64

+ func DeltaTSplineY(y float64) float64

+ func DeltaTv2(jd float64) float64

+ func Distance(jd float64) float64

+ func EarthAway(jd float64) float64

+ func EarthAwayN(jd float64, n int) float64

+ func EarthJupiterAway(jd float64) float64

+ func EarthJupiterAwayN(jd float64, n int) float64

+ func EarthMarsAway(jd float64) float64

+ func EarthMarsAwayN(jd float64, n int) float64

+ func EarthMercuryAway(jd float64) float64

+ func EarthMercuryAwayN(jd float64, n int) float64

+ func EarthNeptuneAway(jd float64) float64

+ func EarthNeptuneAwayN(jd float64, n int) float64

+ func EarthPI(jd float64) float64

+ func EarthRotationAngle(jd_ut1 float64) float64

+ func EarthSaturnAway(jd float64) float64

+ func EarthSaturnAwayN(jd float64, n int) float64

+ func EarthUranusAway(jd float64) float64

+ func EarthUranusAwayN(jd float64, n int) float64

+ func EarthVenusAway(jd float64) float64

+ func EarthVenusAwayN(jd float64, n int) float64

+ func Earthe(jd float64) float64

+ func EclipticObliquity(jde float64, nutation bool) float64

+ func EveningTwilight(jd, lon, lat, tz, targetAltitude float64) (float64, error)

+ func EveningTwilightN(jd, lon, lat, tz, targetAltitude float64, n int) (float64, error)

+ func GXCBo(lo, bo, jd float64) float64

+ func GXCLo(lo, bo, jd float64) float64

+ func GeocentricRadius(lat float64) float64

+ func GetDeltaTFn() func(float64, bool) float64

+ func GetGanZhi(year int) string

+ func GetJQTime(year, angle int) float64

+ func GetJieqiLoops(year, loop int) []float64

+ func GetLunar(year, month, day int, tz float64) (lyear, lmonth, lday int, leap bool, result string)

+ func GetMoonCir() [][][]float64

+ func GetMoonLoops(year float64, loop int) []float64

+ func GetMoonRiseTime(julianDay, longitude, latitude, timeZone, zenithShift, height float64) (float64, error)

+ func GetMoonSetTime(julianDay, longitude, latitude, timeZone, zenithShift, height float64) (float64, error)

+ func GetMoonTZTime(jd, lon, lat, tz float64) float64

+ func GetNowJDE() (nowJDE float64)

+ func GetShiErCi(jd float64) string

+ func GetSolar(year, month, day int, leap bool, tz float64) float64

+ func GetSunRiseTime(julianDay, longitude, latitude, timeZone, zenithShift, height float64) (float64, error)

+ func GetSunRiseTimeN(julianDay, longitude, latitude, timeZone, zenithShift, height float64, n int) (float64, error)

+ func GetSunSetTime(julianDay, longitude, latitude, timeZone, zenithShift, height float64) (float64, error)

+ func GetSunSetTimeN(julianDay, longitude, latitude, timeZone, zenithShift, height float64, n int) (float64, error)

+ func GetWuHouTime(Year, Angle int) float64

+ func HMoonApparentDec(jd, lon, lat, tz float64) float64

+ func HMoonApparentDecN(jd, lon, lat, tz float64, n int) float64

+ func HMoonApparentLo(jd float64) float64

+ func HMoonApparentLoN(jd float64, n int) float64

+ func HMoonApparentRa(jd, lon, lat, tz float64) float64

+ func HMoonApparentRaDec(jd, lon, lat, tz float64) (float64, float64)

+ func HMoonApparentRaDecN(jd, lon, lat, tz float64, n int) (float64, float64)

+ func HMoonApparentRaN(jd, lon, lat, tz float64, n int) float64

+ func HMoonAway(jd float64) float64

+ func HMoonAwayN(jd float64, n int) float64

+ func HMoonAzimuth(jd, lon, lat, tz float64) float64

+ func HMoonAzimuthN(jd, lon, lat, tz float64, n int) float64

+ func HMoonHeight(jd, lon, lat, tz float64) float64

+ func HMoonHeightN(jd, lon, lat, tz float64, n int) float64

+ func HMoonTrueBo(jd float64) float64

+ func HMoonTrueBoN(jd float64, n int) float64

+ func HMoonTrueDec(jd float64) float64

+ func HMoonTrueDecN(jd float64, n int) float64

+ func HMoonTrueLo(jd float64) float64

+ func HMoonTrueLoN(jd float64, n int) float64

+ func HMoonTrueRa(jd float64) float64

+ func HMoonTrueRaDec(jd float64) (float64, float64)

+ func HMoonTrueRaDecN(jd float64, n int) (float64, float64)

+ func HMoonTrueRaN(jd float64, n int) float64

+ func HSunApparentDec(jd float64) float64

+ func HSunApparentDecN(jd float64, n int) float64

+ func HSunApparentLo(jd float64) float64

+ func HSunApparentLoN(jd float64, n int) float64

+ func HSunApparentRa(jd float64) float64

+ func HSunApparentRaDec(jd float64) (float64, float64)

+ func HSunApparentRaDecN(jd float64, n int) (float64, float64)

+ func HSunApparentRaN(jd float64, n int) float64

+ func HSunTrueBo(jd float64) float64

+ func HSunTrueBoN(jd float64, n int) float64

+ func HSunTrueDec(jd float64) float64

+ func HSunTrueDecN(jd float64, n int) float64

+ func HSunTrueLo(jd float64) float64

+ func HSunTrueLoN(jd float64, n int) float64

+ func HSunTrueRa(jd float64) float64

+ func HSunTrueRaN(jd float64, n int) float64

+ func HeightDegree(height float64) float64

+ func HeightDegreeByLat(height, lat float64) float64

+ func HeightDistance(height float64) float64

+ func HeightDistanceByLat(height, lat float64) float64

+ func JDE2Date(jd float64) time.Time

+ func JDE2DateByZone(jd float64, tz *time.Location, byZone bool) time.Time

+ func JDECalc(year, month int, day float64) float64

+ func JQLospec(jd float64, target float64) float64

+ func JupiterApparentBo(jd float64) float64

+ func JupiterApparentBoN(jd float64, n int) float64

+ func JupiterApparentDec(jd float64) float64

+ func JupiterApparentDecN(jd float64, n int) float64

+ func JupiterApparentLo(jd float64) float64

+ func JupiterApparentLoBo(jd float64) (float64, float64)

+ func JupiterApparentLoBoN(jd float64, n int) (float64, float64)

+ func JupiterApparentLoN(jd float64, n int) float64

+ func JupiterApparentRa(jd float64) float64

+ func JupiterApparentRaDec(jd float64) (float64, float64)

+ func JupiterApparentRaDecN(jd float64, n int) (float64, float64)

+ func JupiterApparentRaN(jd float64, n int) float64

+ func JupiterAscendingNode(jd float64) float64

+ func JupiterAscendingNodeN(jd float64, n int) float64

+ func JupiterAzimuth(jde, lon, lat, timezone float64) float64

+ func JupiterAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func JupiterB(jd float64) float64

+ func JupiterBrightLimbPositionAngle(jd float64) float64

+ func JupiterBrightLimbPositionAngleN(jd float64, n int) float64

+ func JupiterCulminationTime(jde, lon, timezone float64) float64

+ func JupiterCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func JupiterDSDE(jd float64) (ds, de float64)

+ func JupiterDSDEN(jd float64, n int) (ds, de float64)

+ func JupiterDescendingNode(jd float64) float64

+ func JupiterDescendingNodeN(jd float64, n int) float64

+ func JupiterDiameter(jd float64) float64

+ func JupiterDiameterN(jd float64, n int) float64

+ func JupiterHeight(jde, lon, lat, timezone float64) float64

+ func JupiterHeightN(jde, lon, lat, timezone float64, n int) float64

+ func JupiterHourAngle(jd, lon, timezone float64) float64

+ func JupiterHourAngleN(jd, lon, timezone float64, n int) float64

+ func JupiterIlluminatedFraction(jd float64) float64

+ func JupiterIlluminatedFractionN(jd float64, n int) float64

+ func JupiterL(jd float64) float64

+ func JupiterMag(jd float64) float64

+ func JupiterMagN(jd float64, n int) float64

+ func JupiterPhaseAngle(jd float64) float64

+ func JupiterPhaseAngleN(jd float64, n int) float64

+ func JupiterR(jd float64) float64

+ func JupiterRiseTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func JupiterRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func JupiterSemidiameter(jd float64) float64

+ func JupiterSemidiameterN(jd float64, n int) float64

+ func JupiterSetTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func JupiterSetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func LastJupiterConjunction(jde float64) float64

+ func LastJupiterEasternQuadrature(jde float64) float64

+ func LastJupiterOpposition(jde float64) float64

+ func LastJupiterProgradeToRetrograde(jde float64) float64

+ func LastJupiterRetrogradeToPrograde(jde float64) float64

+ func LastJupiterWesternQuadrature(jde float64) float64

+ func LastMarsConjunction(jde float64) float64

+ func LastMarsEasternQuadrature(jde float64) float64

+ func LastMarsOpposition(jde float64) float64

+ func LastMarsProgradeToRetrograde(jde float64) float64

+ func LastMarsRetrogradeToPrograde(jde float64) float64

+ func LastMarsWesternQuadrature(jde float64) float64

+ func LastMercuryConjunction(jde float64) float64

+ func LastMercuryGreatestElongation(jde float64) float64

+ func LastMercuryGreatestElongationEast(jde float64) float64

+ func LastMercuryGreatestElongationWest(jde float64) float64

+ func LastMercuryInferiorConjunction(jde float64) float64

+ func LastMercuryProgradeToRetrograde(jde float64) float64

+ func LastMercuryRetrograde(jde float64) float64

+ func LastMercuryRetrogradeToPrograde(jde float64) float64

+ func LastMercurySuperiorConjunction(jde float64) float64

+ func LastNeptuneConjunction(jde float64) float64

+ func LastNeptuneEasternQuadrature(jde float64) float64

+ func LastNeptuneOpposition(jde float64) float64

+ func LastNeptuneProgradeToRetrograde(jde float64) float64

+ func LastNeptuneRetrogradeToPrograde(jde float64) float64

+ func LastNeptuneWesternQuadrature(jde float64) float64

+ func LastSaturnConjunction(jde float64) float64

+ func LastSaturnEasternQuadrature(jde float64) float64

+ func LastSaturnOpposition(jde float64) float64

+ func LastSaturnProgradeToRetrograde(jde float64) float64

+ func LastSaturnRetrogradeToPrograde(jde float64) float64

+ func LastSaturnWesternQuadrature(jde float64) float64

+ func LastUranusConjunction(jde float64) float64

+ func LastUranusEasternQuadrature(jde float64) float64

+ func LastUranusOpposition(jde float64) float64

+ func LastUranusProgradeToRetrograde(jde float64) float64

+ func LastUranusRetrogradeToPrograde(jde float64) float64

+ func LastUranusWesternQuadrature(jde float64) float64

+ func LastVenusConjunction(jde float64) float64

+ func LastVenusGreatestElongation(jde float64) float64

+ func LastVenusGreatestElongationEast(jde float64) float64

+ func LastVenusGreatestElongationWest(jde float64) float64

+ func LastVenusInferiorConjunction(jde float64) float64

+ func LastVenusProgradeToRetrograde(jde float64) float64

+ func LastVenusRetrograde(jde float64) float64

+ func LastVenusRetrogradeToPrograde(jde float64) float64

+ func LastVenusSuperiorConjunction(jde float64) float64

+ func LoBoToRaDec(jde, lo, bo float64) (float64, float64)

+ func LoToRa(jde, lo, bo float64) float64

+ func LoadStarData() error

+ func LowSunHeight(jd, lon, lat, tz float64) float64

+ func MarsApparentBo(jd float64) float64

+ func MarsApparentBoN(jd float64, n int) float64

+ func MarsApparentDec(jd float64) float64

+ func MarsApparentDecN(jd float64, n int) float64

+ func MarsApparentLo(jd float64) float64

+ func MarsApparentLoBo(jd float64) (float64, float64)

+ func MarsApparentLoBoN(jd float64, n int) (float64, float64)

+ func MarsApparentLoN(jd float64, n int) float64

+ func MarsApparentRa(jd float64) float64

+ func MarsApparentRaDec(jd float64) (float64, float64)

+ func MarsApparentRaDecN(jd float64, n int) (float64, float64)

+ func MarsApparentRaN(jd float64, n int) float64

+ func MarsAscendingNode(jd float64) float64

+ func MarsAscendingNodeN(jd float64, n int) float64

+ func MarsAzimuth(jde, lon, lat, timezone float64) float64

+ func MarsAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func MarsB(jd float64) float64

+ func MarsBrightLimbPositionAngle(jd float64) float64

+ func MarsBrightLimbPositionAngleN(jd float64, n int) float64

+ func MarsCulminationTime(jde, lon, timezone float64) float64

+ func MarsCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func MarsDescendingNode(jd float64) float64

+ func MarsDescendingNodeN(jd float64, n int) float64

+ func MarsDiameter(jd float64) float64

+ func MarsDiameterN(jd float64, n int) float64

+ func MarsHeight(jde, lon, lat, timezone float64) float64

+ func MarsHeightN(jde, lon, lat, timezone float64, n int) float64

+ func MarsHourAngle(jd, lon, timezone float64) float64

+ func MarsHourAngleN(jd, lon, timezone float64, n int) float64

+ func MarsIlluminatedFraction(jd float64) float64

+ func MarsIlluminatedFractionN(jd float64, n int) float64

+ func MarsL(jd float64) float64

+ func MarsMag(jd float64) float64

+ func MarsMagN(jd float64, n int) float64

+ func MarsPhaseAngle(jd float64) float64

+ func MarsPhaseAngleN(jd float64, n int) float64

+ func MarsR(jd float64) float64

+ func MarsRiseTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func MarsRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func MarsSemidiameter(jd float64) float64

+ func MarsSemidiameterN(jd float64, n int) float64

+ func MarsSetTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func MarsSetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func MarsTrueLo(jd float64) float64

+ func MarsTrueLoBo(jd float64) (float64, float64)

+ func MeanSiderealTime(jd float64) float64

+ func MeanSiderealTime1982(jd float64) float64

+ func MeanSiderealTime2006(jd_ut1 float64) float64

+ func MercuryApparentBo(jd float64) float64

+ func MercuryApparentBoN(jd float64, n int) float64

+ func MercuryApparentDec(jd float64) float64

+ func MercuryApparentDecN(jd float64, n int) float64

+ func MercuryApparentLo(jd float64) float64

+ func MercuryApparentLoBo(jd float64) (float64, float64)

+ func MercuryApparentLoBoN(jd float64, n int) (float64, float64)

+ func MercuryApparentLoN(jd float64, n int) float64

+ func MercuryApparentRa(jd float64) float64

+ func MercuryApparentRaDec(jd float64) (float64, float64)

+ func MercuryApparentRaDecN(jd float64, n int) (float64, float64)

+ func MercuryApparentRaN(jd float64, n int) float64

+ func MercuryAscendingNode(jd float64) float64

+ func MercuryAscendingNodeN(jd float64, n int) float64

+ func MercuryAzimuth(jde, lon, lat, timezone float64) float64

+ func MercuryAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func MercuryB(jd float64) float64

+ func MercuryBrightLimbPositionAngle(jd float64) float64

+ func MercuryBrightLimbPositionAngleN(jd float64, n int) float64

+ func MercuryCulminationTime(jde, lon, timezone float64) float64

+ func MercuryCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func MercuryDescendingNode(jd float64) float64

+ func MercuryDescendingNodeN(jd float64, n int) float64

+ func MercuryDiameter(jd float64) float64

+ func MercuryDiameterN(jd float64, n int) float64

+ func MercuryHeight(jde, lon, lat, timezone float64) float64

+ func MercuryHeightN(jde, lon, lat, timezone float64, n int) float64

+ func MercuryHourAngle(jd, lon, timezone float64) float64

+ func MercuryHourAngleN(jd, lon, timezone float64, n int) float64

+ func MercuryIlluminatedFraction(jd float64) float64

+ func MercuryIlluminatedFractionN(jd float64, n int) float64

+ func MercuryL(jd float64) float64

+ func MercuryMag(jd float64) float64

+ func MercuryMagN(jd float64, n int) float64

+ func MercuryPhaseAngle(jd float64) float64

+ func MercuryPhaseAngleN(jd float64, n int) float64

+ func MercuryR(jd float64) float64

+ func MercuryRiseTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func MercuryRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func MercurySemidiameter(jd float64) float64

+ func MercurySemidiameterN(jd float64, n int) float64

+ func MercurySetTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func MercurySetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func MercurySunElongation(jde float64) float64

+ func MoonApparentDec(jd, lon, lat, tz float64) float64

+ func MoonApparentLo(jd float64) float64

+ func MoonApparentRa(jd, lon, lat float64, tz int) float64

+ func MoonAscendingNode(jd float64) float64

+ func MoonAscendingNodeN(jd float64, n int) float64

+ func MoonAway(jd float64) float64

+ func MoonAzimuth(jd, lon, lat, tz float64) float64

+ func MoonB(jd float64) float64

+ func MoonBrightLimbPositionAngle(jd float64) float64

+ func MoonBrightLimbPositionAngleN(jd float64, n int) float64

+ func MoonCalcNew(coordIndex int, jd float64) float64

+ func MoonCalcNewN(coordIndex int, jd float64, n int) float64

+ func MoonCulminationTime(jde, lon, lat, timezone float64) float64

+ func MoonDescendingNode(jd float64) float64

+ func MoonDescendingNodeN(jd float64, n int) float64

+ func MoonDiameter(jd float64) float64

+ func MoonDiameterN(jd float64, n int) float64

+ func MoonHeight(jd, lon, lat, tz float64) float64

+ func MoonI(jd float64) float64

+ func MoonLo(jd float64) float64

+ func MoonLonX(jd float64) float64

+ func MoonM(jd float64) float64

+ func MoonPhase(jd float64) float64

+ func MoonR(jd float64) float64

+ func MoonSemidiameter(jd float64) float64

+ func MoonSemidiameterN(jd float64, n int) float64

+ func MoonTimeAngle(jd, lon, lat, tz float64) float64

+ func MoonTopocentricBrightLimbPositionAngle(jd, observerLon, observerLat, height float64) float64

+ func MoonTopocentricBrightLimbPositionAngleN(jd, observerLon, observerLat, height float64, n int) float64

+ func MoonTrueBo(jd float64) float64

+ func MoonTrueDec(jd float64) float64

+ func MoonTrueLo(jd float64) float64

+ func MoonTrueRa(jd float64) float64

+ func MoonTrueRaDec(jd float64) (float64, float64)

+ func MorningTwilight(jd, lon, lat, tz, targetAltitude float64) (float64, error)

+ func MorningTwilightN(jd, lon, lat, tz, targetAltitude float64, n int) (float64, error)

+ func NeptuneApparentBo(jd float64) float64

+ func NeptuneApparentBoN(jd float64, n int) float64

+ func NeptuneApparentDec(jd float64) float64

+ func NeptuneApparentDecN(jd float64, n int) float64

+ func NeptuneApparentLo(jd float64) float64

+ func NeptuneApparentLoBo(jd float64) (float64, float64)

+ func NeptuneApparentLoBoN(jd float64, n int) (float64, float64)

+ func NeptuneApparentLoN(jd float64, n int) float64

+ func NeptuneApparentRa(jd float64) float64

+ func NeptuneApparentRaDec(jd float64) (float64, float64)

+ func NeptuneApparentRaDecN(jd float64, n int) (float64, float64)

+ func NeptuneApparentRaN(jd float64, n int) float64

+ func NeptuneAscendingNode(jd float64) float64

+ func NeptuneAscendingNodeN(jd float64, n int) float64

+ func NeptuneAzimuth(jde, lon, lat, timezone float64) float64

+ func NeptuneAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func NeptuneB(jd float64) float64

+ func NeptuneBrightLimbPositionAngle(jd float64) float64

+ func NeptuneBrightLimbPositionAngleN(jd float64, n int) float64

+ func NeptuneCulminationTime(jde, lon, timezone float64) float64

+ func NeptuneCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func NeptuneDescendingNode(jd float64) float64

+ func NeptuneDescendingNodeN(jd float64, n int) float64

+ func NeptuneDiameter(jd float64) float64

+ func NeptuneDiameterN(jd float64, n int) float64

+ func NeptuneHeight(jde, lon, lat, timezone float64) float64

+ func NeptuneHeightN(jde, lon, lat, timezone float64, n int) float64

+ func NeptuneHourAngle(jd, lon, timezone float64) float64

+ func NeptuneHourAngleN(jd, lon, timezone float64, n int) float64

+ func NeptuneIlluminatedFraction(jd float64) float64

+ func NeptuneIlluminatedFractionN(jd float64, n int) float64

+ func NeptuneL(jd float64) float64

+ func NeptuneMag(jd float64) float64

+ func NeptuneMagN(jd float64, n int) float64

+ func NeptunePhaseAngle(jd float64) float64

+ func NeptunePhaseAngleN(jd float64, n int) float64

+ func NeptuneR(jd float64) float64

+ func NeptuneRiseTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func NeptuneRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func NeptuneSemidiameter(jd float64) float64

+ func NeptuneSemidiameterN(jd float64, n int) float64

+ func NeptuneSetTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func NeptuneSetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func NextJupiterConjunction(jde float64) float64

+ func NextJupiterEasternQuadrature(jde float64) float64

+ func NextJupiterOpposition(jde float64) float64

+ func NextJupiterProgradeToRetrograde(jde float64) float64

+ func NextJupiterRetrogradeToPrograde(jde float64) float64

+ func NextJupiterWesternQuadrature(jde float64) float64

+ func NextMarsConjunction(jde float64) float64

+ func NextMarsEasternQuadrature(jde float64) float64

+ func NextMarsOpposition(jde float64) float64

+ func NextMarsProgradeToRetrograde(jde float64) float64

+ func NextMarsRetrogradeToPrograde(jde float64) float64

+ func NextMarsWesternQuadrature(jde float64) float64

+ func NextMercuryConjunction(jde float64) float64

+ func NextMercuryGreatestElongation(jde float64) float64

+ func NextMercuryGreatestElongationEast(jde float64) float64

+ func NextMercuryGreatestElongationWest(jde float64) float64

+ func NextMercuryInferiorConjunction(jde float64) float64

+ func NextMercuryProgradeToRetrograde(jde float64) float64

+ func NextMercuryRetrograde(jde float64) float64

+ func NextMercuryRetrogradeToPrograde(jde float64) float64

+ func NextMercurySuperiorConjunction(jde float64) float64

+ func NextNeptuneConjunction(jde float64) float64

+ func NextNeptuneEasternQuadrature(jde float64) float64

+ func NextNeptuneOpposition(jde float64) float64

+ func NextNeptuneProgradeToRetrograde(jde float64) float64

+ func NextNeptuneRetrogradeToPrograde(jde float64) float64

+ func NextNeptuneWesternQuadrature(jde float64) float64

+ func NextSaturnConjunction(jde float64) float64

+ func NextSaturnEasternQuadrature(jde float64) float64

+ func NextSaturnOpposition(jde float64) float64

+ func NextSaturnProgradeToRetrograde(jde float64) float64

+ func NextSaturnRetrogradeToPrograde(jde float64) float64

+ func NextSaturnWesternQuadrature(jde float64) float64

+ func NextUranusConjunction(jde float64) float64

+ func NextUranusEasternQuadrature(jde float64) float64

+ func NextUranusOpposition(jde float64) float64

+ func NextUranusProgradeToRetrograde(jde float64) float64

+ func NextUranusRetrogradeToPrograde(jde float64) float64

+ func NextUranusWesternQuadrature(jde float64) float64

+ func NextVenusConjunction(jde float64) float64

+ func NextVenusGreatestElongation(jde float64) float64

+ func NextVenusGreatestElongationEast(jde float64) float64

+ func NextVenusGreatestElongationWest(jde float64) float64

+ func NextVenusInferiorConjunction(jde float64) float64

+ func NextVenusProgradeToRetrograde(jde float64) float64

+ func NextVenusRetrograde(jde float64) float64

+ func NextVenusRetrogradeToPrograde(jde float64) float64

+ func NextVenusSuperiorConjunction(jde float64) float64

+ func Nutation1980(jd float64) (float64, float64)

+ func Nutation1980i(jd float64) float64

+ func Nutation1980s(jd float64) float64

+ func Nutation2000B(jd float64) (float64, float64)

+ func Nutation2000Bi(jd float64) float64

+ func Nutation2000Bs(jd float64) float64

+ func Obliquity1980(jd float64) float64

+ func OrbitApparentGeocentricEcliptic(jd float64, elements OrbitElements) (lon, lat, distance float64)

+ func OrbitApparentGeocentricEquatorial(jd float64, elements OrbitElements) (ra, dec, distance float64)

+ func OrbitApparentTopocentricEquatorial(jd, observerLon, observerLat, observerHeight float64, elements OrbitElements) (ra, dec, distance float64)

+ func OrbitAsteroidMagnitudeHG(jd float64, elements OrbitElements, absoluteMagnitude, slopeParameter float64) float64

+ func OrbitAstrometricGeocentricEquatorialJ2000(jd float64, elements OrbitElements) (ra, dec, distance float64)

+ func OrbitAzimuth(jde, observerLon, observerLat, timezone, observerHeight float64, ...) float64

+ func OrbitCulminationTime(jde, observerLon, observerLat, timezone, observerHeight float64, ...) float64

+ func OrbitEarthDistance(jd float64, elements OrbitElements) float64

+ func OrbitEccentricAnomaly(jd float64, elements OrbitElements) float64

+ func OrbitElongation(jd float64, elements OrbitElements) float64

+ func OrbitGeocentricEcliptic(jd float64, elements OrbitElements) (lon, lat, distance float64)

+ func OrbitGeocentricEclipticJ2000(jd float64, elements OrbitElements) (lon, lat, distance float64)

+ func OrbitGeocentricEquatorial(jd float64, elements OrbitElements) (ra, dec, distance float64)

+ func OrbitGeocentricEquatorialJ2000(jd float64, elements OrbitElements) (ra, dec, distance float64)

+ func OrbitHeight(jde, observerLon, observerLat, timezone, observerHeight float64, ...) float64

+ func OrbitHeliocentricEcliptic(jd float64, elements OrbitElements) (lon, lat, distance float64)

+ func OrbitHeliocentricEclipticJ2000(jd float64, elements OrbitElements) (lon, lat, distance float64)

+ func OrbitHourAngle(jde, observerLon, observerLat, timezone, observerHeight float64, ...) float64

+ func OrbitIlluminatedFraction(jd float64, elements OrbitElements) float64

+ func OrbitMeanAnomaly(jd float64, elements OrbitElements) float64

+ func OrbitMeanMotion(elements OrbitElements) float64

+ func OrbitPhaseAngle(jd float64, elements OrbitElements) float64

+ func OrbitRiseTime(...) (float64, error)

+ func OrbitSetTime(...) (float64, error)

+ func OrbitSunDistance(jd float64, elements OrbitElements) float64

+ func OrbitTrueAnomaly(jd float64, elements OrbitElements) float64

+ func ParallacticAngleByHourAngle(hourAngle, dec, lat float64) float64

+ func Precess(ra, dec, jdFrom, jdTo float64) (float64, float64)

+ func PrecessIAU1976(ra0, dec0, startJD, targetJD float64) (float64, float64)

+ func RaDecToLoBo(jde, ra, dec float64) (float64, float64)

+ func RaToLo(jde, ra, dec float64) float64

+ func RefractionFromApparentAltitude(apparentAltitude, pressureHPa, temperatureC float64) float64

+ func RefractionFromTrueAltitude(trueAltitude, pressureHPa, temperatureC float64) float64

+ func SaturnApparentBo(jd float64) float64

+ func SaturnApparentBoN(jd float64, n int) float64

+ func SaturnApparentDec(jd float64) float64

+ func SaturnApparentDecN(jd float64, n int) float64

+ func SaturnApparentLo(jd float64) float64

+ func SaturnApparentLoBo(jd float64) (float64, float64)

+ func SaturnApparentLoBoN(jd float64, n int) (float64, float64)

+ func SaturnApparentLoN(jd float64, n int) float64

+ func SaturnApparentRa(jd float64) float64

+ func SaturnApparentRaDec(jd float64) (float64, float64)

+ func SaturnApparentRaDecN(jd float64, n int) (float64, float64)

+ func SaturnApparentRaN(jd float64, n int) float64

+ func SaturnAscendingNode(jd float64) float64

+ func SaturnAscendingNodeN(jd float64, n int) float64

+ func SaturnAzimuth(jde, lon, lat, timezone float64) float64

+ func SaturnAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func SaturnB(jd float64) float64

+ func SaturnBrightLimbPositionAngle(jd float64) float64

+ func SaturnBrightLimbPositionAngleN(jd float64, n int) float64

+ func SaturnCulminationTime(jde, lon, timezone float64) float64

+ func SaturnCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func SaturnDescendingNode(jd float64) float64

+ func SaturnDescendingNodeN(jd float64, n int) float64

+ func SaturnDiameter(jd float64) float64

+ func SaturnDiameterN(jd float64, n int) float64

+ func SaturnHeight(jde, lon, lat, timezone float64) float64

+ func SaturnHeightN(jde, lon, lat, timezone float64, n int) float64

+ func SaturnHourAngle(jd, lon, timezone float64) float64

+ func SaturnHourAngleN(jd, lon, timezone float64, n int) float64

+ func SaturnIlluminatedFraction(jd float64) float64

+ func SaturnIlluminatedFractionN(jd float64, n int) float64

+ func SaturnL(jd float64) float64

+ func SaturnMag(jd float64) float64

+ func SaturnMagN(jd float64, n int) float64

+ func SaturnPhaseAngle(jd float64) float64

+ func SaturnPhaseAngleN(jd float64, n int) float64

+ func SaturnR(jd float64) float64

+ func SaturnRingAxis(jd float64) (majorAxis, minorAxis float64)

+ func SaturnRingAxisN(jd float64, n int) (majorAxis, minorAxis float64)

+ func SaturnRingB(jd float64) float64

+ func SaturnRingBN(jd float64, n int) float64

+ func SaturnRingDeltaU(jd float64) float64

+ func SaturnRingDeltaUN(jd float64, n int) float64

+ func SaturnRingParameters(jd float64) (...)

+ func SaturnRingParametersN(jd float64, n int) (...)

+ func SaturnRingPositionAngle(jd float64) float64

+ func SaturnRingPositionAngleN(jd float64, n int) float64

+ func SaturnRingSunB(jd float64) float64

+ func SaturnRingSunBN(jd float64, n int) float64

+ func SaturnRiseTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func SaturnRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func SaturnSemidiameter(jd float64) float64

+ func SaturnSemidiameterN(jd float64, n int) float64

+ func SaturnSetTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func SaturnSetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func SetDeltaTFn(fn func(float64, bool) float64)

+ func StandardAltitudeMoon(zenithShift, observerHeight, lat float64) float64

+ func StandardAltitudePlanet(aeroCorrection, observerHeight, lat float64) float64

+ func StandardAltitudeStar(aero bool, observerHeight, lat float64) float64

+ func StandardAltitudeSun(zenithShift, observerHeight, lat float64) float64

+ func StarAngularSeparation(ra1, dec1, ra2, dec2 float64) float64

+ func StarAzimuth(jde, ra, dec, lon, lat, timezone float64) float64

+ func StarCulminationTime(jde, ra, lon, timezone float64) float64

+ func StarHeight(jde, ra, dec, lon, lat, timezone float64) float64

+ func StarHourAngle(jde, ra, lon, timezone float64) float64

+ func StarParallacticAngle(jde, ra, dec, lon, lat, timezone float64) float64

+ func StarRiseSetTime(jde, ra, dec, lon, lat, height, timezone float64, aero, isRise bool) (float64, error)

+ func StarRiseTime(jde, ra, dec, lon, lat, height, timezone float64, aero bool) (float64, error)

+ func StarSetTime(jde, ra, dec, lon, lat, height, timezone float64, aero bool) (float64, error)

+ func SunApparentDec(jd float64) float64

+ func SunApparentLo(jd float64) float64

+ func SunApparentRa(jd float64) float64

+ func SunApparentRaDec(jd float64) (float64, float64)

+ func SunAzimuth(jd, lon, lat, tz float64) float64

+ func SunAzimuthN(jd, lon, lat, tz float64, n int) float64

+ func SunDiameter(jd float64) float64

+ func SunDiameterN(jd float64, n int) float64

+ func SunHeight(jd, lon, lat, tz float64) float64

+ func SunHeightN(jd, lon, lat, tz float64, n int) float64

+ func SunLo(jd float64) float64

+ func SunLoGXC(jd float64) float64

+ func SunLoGXCN(jd float64, n int) float64

+ func SunM(jd float64) float64

+ func SunMidFun(jd float64) float64

+ func SunMoonAngle(jd float64) float64

+ func SunMoonSeek(jde float64, degree float64) float64

+ func SunSC(lo, jd float64) float64

+ func SunSemidiameter(jd float64) float64

+ func SunSemidiameterN(jd float64, n int) float64

+ func SunTime(jd float64) float64

+ func SunTimeAngle(jd, lon, lat, tz float64) float64

+ func SunTimeAngleN(jd, lon, lat, tz float64, n int) float64

+ func SunTimeN(jd float64, n int) float64

+ func SunTrueDec(jd float64) float64

+ func SunTrueLo(jd float64) float64

+ func SunTrueRa(jd float64) float64

+ func TD2UT(jde float64, utToTD bool) float64

+ func TopocentricBo(lo, bo, lat, lon, jd, au, h float64) float64

+ func TopocentricDec(ra, dec, lat, lon, jd, au, h float64) float64

+ func TopocentricLo(lo, bo, lat, lon, jd, au, h float64) float64

+ func TopocentricRa(ra, dec, lat, lon, jd, au, h float64) float64

+ func TopocentricRaDec(ra, dec, lat, lon, jd, au, h float64) (float64, float64)

+ func TrueAltitude(apparentAltitude, pressureHPa, temperatureC float64) float64

+ func TrueObliquity(JD float64) float64

+ func UranusApparentBo(jd float64) float64

+ func UranusApparentBoN(jd float64, n int) float64

+ func UranusApparentDec(jd float64) float64

+ func UranusApparentDecN(jd float64, n int) float64

+ func UranusApparentLo(jd float64) float64

+ func UranusApparentLoBo(jd float64) (float64, float64)

+ func UranusApparentLoBoN(jd float64, n int) (float64, float64)

+ func UranusApparentLoN(jd float64, n int) float64

+ func UranusApparentRa(jd float64) float64

+ func UranusApparentRaDec(jd float64) (float64, float64)

+ func UranusApparentRaDecN(jd float64, n int) (float64, float64)

+ func UranusApparentRaN(jd float64, n int) float64

+ func UranusAscendingNode(jd float64) float64

+ func UranusAscendingNodeN(jd float64, n int) float64

+ func UranusAzimuth(jde, lon, lat, timezone float64) float64

+ func UranusAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func UranusB(jd float64) float64

+ func UranusBrightLimbPositionAngle(jd float64) float64

+ func UranusBrightLimbPositionAngleN(jd float64, n int) float64

+ func UranusCulminationTime(jde, lon, timezone float64) float64

+ func UranusCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func UranusDescendingNode(jd float64) float64

+ func UranusDescendingNodeN(jd float64, n int) float64

+ func UranusDiameter(jd float64) float64

+ func UranusDiameterN(jd float64, n int) float64

+ func UranusHeight(jde, lon, lat, timezone float64) float64

+ func UranusHeightN(jde, lon, lat, timezone float64, n int) float64

+ func UranusHourAngle(jd, lon, timezone float64) float64

+ func UranusHourAngleN(jd, lon, timezone float64, n int) float64

+ func UranusIlluminatedFraction(jd float64) float64

+ func UranusIlluminatedFractionN(jd float64, n int) float64

+ func UranusL(jd float64) float64

+ func UranusMag(jd float64) float64

+ func UranusMagN(jd float64, n int) float64

+ func UranusPhaseAngle(jd float64) float64

+ func UranusPhaseAngleN(jd float64, n int) float64

+ func UranusR(jd float64) float64

+ func UranusRiseTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func UranusRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func UranusSemidiameter(jd float64) float64

+ func UranusSemidiameterN(jd float64, n int) float64

+ func UranusSetTime(jd, lon, lat, timezone, aeroCorrection, observerHeight float64) (float64, error)

+ func UranusSetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func ValidateCivilDate(year, month int, day float64) error

+ func VenusApparentBo(jd float64) float64

+ func VenusApparentBoN(jd float64, n int) float64

+ func VenusApparentDec(jd float64) float64

+ func VenusApparentDecN(jd float64, n int) float64

+ func VenusApparentLo(jd float64) float64

+ func VenusApparentLoBo(jd float64) (float64, float64)

+ func VenusApparentLoBoN(jd float64, n int) (float64, float64)

+ func VenusApparentLoN(jd float64, n int) float64

+ func VenusApparentRa(jd float64) float64

+ func VenusApparentRaDec(jd float64) (float64, float64)

+ func VenusApparentRaDecN(jd float64, n int) (float64, float64)

+ func VenusApparentRaN(jd float64, n int) float64

+ func VenusAscendingNode(jd float64) float64

+ func VenusAscendingNodeN(jd float64, n int) float64

+ func VenusAzimuth(jde, lon, lat, timezone float64) float64

+ func VenusAzimuthN(jde, lon, lat, timezone float64, n int) float64

+ func VenusB(jd float64) float64

+ func VenusBrightLimbPositionAngle(jd float64) float64

+ func VenusBrightLimbPositionAngleN(jd float64, n int) float64

+ func VenusCulminationTime(jde, lon, timezone float64) float64

+ func VenusCulminationTimeN(jde, lon, timezone float64, n int) float64

+ func VenusDescendingNode(jd float64) float64

+ func VenusDescendingNodeN(jd float64, n int) float64

+ func VenusDiameter(jd float64) float64

+ func VenusDiameterN(jd float64, n int) float64

+ func VenusHeight(jde, lon, lat, timezone float64) float64

+ func VenusHeightN(jde, lon, lat, timezone float64, n int) float64

+ func VenusHourAngle(jd, lon, tz float64) float64

+ func VenusHourAngleN(jd, lon, timezone float64, n int) float64

+ func VenusIlluminatedFraction(jd float64) float64

+ func VenusIlluminatedFractionN(jd float64, n int) float64

+ func VenusL(jd float64) float64

+ func VenusMag(jd float64) float64

+ func VenusMagN(jd float64, n int) float64

+ func VenusPhaseAngle(jd float64) float64

+ func VenusPhaseAngleN(jd float64, n int) float64

+ func VenusR(jd float64) float64

+ func VenusRiseTime(jd, lon, lat, tz, aeroCorrection, observerHeight float64) (float64, error)

+ func VenusRiseTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func VenusSemidiameter(jd float64) float64

+ func VenusSemidiameterN(jd float64, n int) float64

+ func VenusSetTime(jd, lon, lat, tz, aeroCorrection, observerHeight float64) (float64, error)

+ func VenusSetTimeN(jd, lon, lat, timezone, aeroCorrection, observerHeight float64, n int) (float64, error)

+ func VenusSunElongation(jde float64) float64

+ type ApsisEvent struct

+ Distance float64

+ JDE float64

+ func EarthAphelion(year int) ApsisEvent

+ func EarthPerihelion(year int) ApsisEvent

+ func MoonApogees(year int, month time.Month) []ApsisEvent

+ func MoonPerigees(year int, month time.Month) []ApsisEvent

+ type DeclinationEvent struct

+ Declination float64

+ JDE float64

+ func ClosestMoonMaximumNorthDeclination(jd float64) DeclinationEvent

+ func ClosestMoonMaximumSouthDeclination(jd float64) DeclinationEvent

+ func LastMoonMaximumNorthDeclination(jd float64) DeclinationEvent

+ func LastMoonMaximumSouthDeclination(jd float64) DeclinationEvent

+ func MoonMaximumNorthDeclinations(year int, month time.Month) []DeclinationEvent

+ func MoonMaximumSouthDeclinations(year int, month time.Month) []DeclinationEvent

+ func NextMoonMaximumNorthDeclination(jd float64) DeclinationEvent

+ func NextMoonMaximumSouthDeclination(jd float64) DeclinationEvent

+ type Equatorial struct

+ Dec float64

+ RA float64

+ type InnerStarData struct

+ Dec float64

+ HD uint32

+ HIP uint32

+ HR uint16

+ Mag float64

+ Name string

+ Pc float64

+ PmDec float64

+ PmRA float64

+ Ra float64

+ RadVel float64

+ RotVel float64

+ func (s InnerStarData) RaDecByJde(jde float64) (float64, float64)

+ type JupiterCentralMeridianInfo struct

+ SystemI float64

+ SystemII float64

+ SystemIII float64

+ func JupiterCentralMeridians(jd float64) JupiterCentralMeridianInfo

+ func JupiterCentralMeridiansN(jd float64, n int) JupiterCentralMeridianInfo

+ type JupiterGalileanObservation struct

+ Dec float64

+ Distance float64

+ InFrontOfJupiter bool

+ OffsetXArcsec float64

+ OffsetXJupiterRadii float64

+ OffsetYArcsec float64

+ OffsetYJupiterRadii float64

+ OffsetZJupiterRadii float64

+ RA float64

+ State JupiterGalileanState

+ func JupiterGalileanSatelliteObservation(jd float64, satellite int) JupiterGalileanObservation

+ func JupiterGalileanSatelliteObservations(jd float64) [4]JupiterGalileanObservation

+ type JupiterGalileanPhenomenon struct

+ Eclipse bool

+ Occultation bool

+ ShadowOffsetXArcsec float64

+ ShadowOffsetXJupiterRadii float64

+ ShadowOffsetYArcsec float64

+ ShadowOffsetYJupiterRadii float64

+ ShadowTransit bool

+ Transit bool

+ func JupiterGalileanSatellitePhenomena(jd float64) [4]JupiterGalileanPhenomenon

+ func JupiterGalileanSatellitePhenomenon(jd float64, satellite int) JupiterGalileanPhenomenon

+ type JupiterGalileanPhenomenonContact struct

+ End float64

+ ModelCrossing float64

+ Phase JupiterGalileanPhenomenonContactPhase

+ Start float64

+ Valid bool

+ type JupiterGalileanPhenomenonContactEvent struct

+ Disappearance JupiterGalileanPhenomenonContact

+ Greatest float64

+ GreatestPhenomenon JupiterGalileanPhenomenon

+ Reappearance JupiterGalileanPhenomenonContact

+ Satellite int

+ Type JupiterGalileanPhenomenonType

+ Valid bool

+ func ClosestJupiterGalileanPhenomenonContactEvent(jd float64, satellite int, phenomenonType JupiterGalileanPhenomenonType) JupiterGalileanPhenomenonContactEvent

+ func LastJupiterGalileanPhenomenonContactEvent(jd float64, satellite int, phenomenonType JupiterGalileanPhenomenonType) JupiterGalileanPhenomenonContactEvent

+ func NextJupiterGalileanPhenomenonContactEvent(jd float64, satellite int, phenomenonType JupiterGalileanPhenomenonType) JupiterGalileanPhenomenonContactEvent

+ type JupiterGalileanPhenomenonContactPhase string

+ const JupiterGalileanDisappearanceContact

+ const JupiterGalileanReappearanceContact

+ type JupiterGalileanPhenomenonEvent struct

+ End float64

+ Greatest float64

+ GreatestPhenomenon JupiterGalileanPhenomenon

+ Satellite int

+ Start float64

+ Type JupiterGalileanPhenomenonType

+ Valid bool

+ func ClosestJupiterGalileanPhenomenonEvent(jd float64, satellite int, phenomenonType JupiterGalileanPhenomenonType) JupiterGalileanPhenomenonEvent

+ func LastJupiterGalileanPhenomenonEvent(jd float64, satellite int, phenomenonType JupiterGalileanPhenomenonType) JupiterGalileanPhenomenonEvent

+ func NextJupiterGalileanPhenomenonEvent(jd float64, satellite int, phenomenonType JupiterGalileanPhenomenonType) JupiterGalileanPhenomenonEvent

+ type JupiterGalileanPhenomenonType string

+ const JupiterGalileanEclipse

+ const JupiterGalileanOccultation

+ const JupiterGalileanShadowTransit

+ const JupiterGalileanTransit

+ type JupiterGalileanState struct

+ VX float64

+ VY float64

+ VZ float64

+ X float64

+ Y float64

+ Z float64

+ func JupiterGalileanSatelliteState(jd float64, satellite int) JupiterGalileanState

+ func JupiterGalileanSatelliteStates(jd float64) [4]JupiterGalileanState

+ type LocalSolarEclipseDiagramFrame struct

+ JDE float64

+ Label string

+ Labels []string

+ MoonRadius float64

+ MoonX float64

+ MoonY float64

+ PositionAngle float64

+ Separation float64

+ SunAltitude float64

+ SunAzimuth float64

+ SunRadius float64

+ type LocalSolarEclipseDiagramOptions struct

+ StepDays float64

+ type LocalSolarEclipseDiagramResult struct

+ Eclipse LocalSolarEclipseResult

+ Frames []LocalSolarEclipseDiagramFrame

+ StepDays float64

+ func LocalSolarEclipseDiagram(seedJDE, lon, lat, height float64, options LocalSolarEclipseDiagramOptions) LocalSolarEclipseDiagramResult

+ func LocalSolarEclipseDiagramIAUSingleK(seedJDE, lon, lat, height float64, options LocalSolarEclipseDiagramOptions) LocalSolarEclipseDiagramResult

+ func LocalSolarEclipseDiagramNASABulletinSplitK(seedJDE, lon, lat, height float64, options LocalSolarEclipseDiagramOptions) LocalSolarEclipseDiagramResult

+ type LocalSolarEclipseResult struct

+ CentralEnd float64

+ CentralStart float64

+ GreatestEclipse float64

+ HasAnnular bool

+ HasCentral bool

+ HasPartial bool

+ HasTotal bool

+ Magnitude float64

+ Model SolarEclipseRadiusModel

+ Obscuration float64

+ PartialEnd float64

+ PartialStart float64

+ Separation float64

+ SunAltitude float64

+ SunAzimuth float64

+ Type SolarEclipseType

+ VisibleAtGreatest bool

+ func LocalSolarEclipse(seedJDE, lon, lat, height float64) LocalSolarEclipseResult

+ func LocalSolarEclipseIAUSingleK(seedJDE, lon, lat, height float64) LocalSolarEclipseResult

+ func LocalSolarEclipseNASABulletinSplitK(seedJDE, lon, lat, height float64) LocalSolarEclipseResult

+ type LunarEclipseDiagramOptions struct

+ StepDays float64

+ type LunarEclipseDiagramPoint struct

+ JDE float64

+ Label string

+ Labels []string

+ X float64

+ Y float64

+ type LunarEclipseDiagramResult struct

+ Eclipse LunarEclipseResult

+ MoonRadius float64

+ PenumbraRadius float64

+ Points []LunarEclipseDiagramPoint

+ StepDays float64

+ UmbraRadius float64

+ func LunarEclipseDiagram(seedJDE float64, options LunarEclipseDiagramOptions) LunarEclipseDiagramResult

+ func LunarEclipseDiagramChauvenet(seedJDE float64, options LunarEclipseDiagramOptions) LunarEclipseDiagramResult

+ func LunarEclipseDiagramDanjon(seedJDE float64, options LunarEclipseDiagramOptions) LunarEclipseDiagramResult

+ type LunarEclipseResult struct

+ HasPartial bool

+ HasPenumbral bool

+ HasTotal bool

+ Magnitude float64

+ Maximum float64

+ MinimumDistance float64

+ PartialEnd float64

+ PartialStart float64

+ PenumbralEnd float64

+ PenumbralMagnitude float64

+ PenumbralStart float64

+ TotalEnd float64

+ TotalStart float64

+ Type LunarEclipseType

+ func LunarEclipse(seedJDE float64) LunarEclipseResult

+ func LunarEclipseChauvenet(seedJDE float64) LunarEclipseResult

+ func LunarEclipseDanjon(seedJDE float64) LunarEclipseResult

+ type LunarEclipseType string

+ const LunarEclipseNone

+ const LunarEclipsePartial

+ const LunarEclipsePenumbral

+ const LunarEclipseTotal

+ type Matrix3 [3][3]float64

+ type MoonPhysicalInfo struct

+ LibrationLatitude float64

+ LibrationLongitude float64

+ OpticalLatitude float64

+ OpticalLongitude float64

+ PhysicalLatitude float64

+ PhysicalLongitude float64

+ PositionAngle float64

+ func MoonPhysical(jd float64) MoonPhysicalInfo

+ func MoonPhysicalN(jd float64, n int) MoonPhysicalInfo

+ func MoonTopocentricPhysical(jd, observerLon, observerLat, height float64) MoonPhysicalInfo

+ func MoonTopocentricPhysicalN(jd, observerLon, observerLat, height float64, n int) MoonPhysicalInfo

+ type OrbitElements struct

+ A float64

+ ADot float64

+ E float64

+ EDot float64

+ EpochJD float64

+ I float64

+ IDot float64

+ M0 float64

+ MDot float64

+ Omega float64

+ OmegaDot float64

+ Q float64

+ TpJD float64

+ W float64

+ WDot float64

+ type PlanetPhysicalInfo struct

+ NorthPolePositionAngle float64

+ SubEarthLatitude float64

+ SubEarthLongitude float64

+ SubSolarLatitude float64

+ SubSolarLongitude float64

+ func JupiterPhysical(jd float64) PlanetPhysicalInfo

+ func JupiterPhysicalN(jd float64, n int) PlanetPhysicalInfo

+ func MarsPhysical(jd float64) PlanetPhysicalInfo

+ func MarsPhysicalN(jd float64, n int) PlanetPhysicalInfo

+ func MercuryPhysical(jd float64) PlanetPhysicalInfo

+ func MercuryPhysicalN(jd float64, n int) PlanetPhysicalInfo

+ func NeptunePhysical(jd float64) PlanetPhysicalInfo

+ func NeptunePhysicalN(jd float64, n int) PlanetPhysicalInfo

+ func SaturnPhysical(jd float64) PlanetPhysicalInfo

+ func SaturnPhysicalN(jd float64, n int) PlanetPhysicalInfo

+ func UranusPhysical(jd float64) PlanetPhysicalInfo

+ func UranusPhysicalN(jd float64, n int) PlanetPhysicalInfo

+ func VenusPhysical(jd float64) PlanetPhysicalInfo

+ func VenusPhysicalN(jd float64, n int) PlanetPhysicalInfo

+ type SolarEclipseCentrality string

+ const SolarEclipseCentralOneLimit

+ const SolarEclipseCentralTwoLimits

+ const SolarEclipseNonCentral

+ type SolarEclipsePartialAreaOptions = SolarEclipsePartialFootprintOptions

+ type SolarEclipsePartialAreaResult = SolarEclipsePartialFootprintsResult

+ func SolarEclipsePartialArea(seedJDE float64, options SolarEclipsePartialAreaOptions) SolarEclipsePartialAreaResult

+ func SolarEclipsePartialAreaIAUSingleK(seedJDE float64, options SolarEclipsePartialAreaOptions) SolarEclipsePartialAreaResult

+ func SolarEclipsePartialAreaNASABulletinSplitK(seedJDE float64, options SolarEclipsePartialAreaOptions) SolarEclipsePartialAreaResult

+ type SolarEclipsePartialFootprint struct

+ Boundaries [][]SolarEclipsePathPoint

+ Closed bool

+ JDE float64

+ type SolarEclipsePartialFootprintOptions struct

+ BoundaryPoints int

+ StepDays float64

+ type SolarEclipsePartialFootprintsResult struct

+ BoundaryPoints int

+ Eclipse SolarEclipseResult

+ Footprints []SolarEclipsePartialFootprint

+ StepDays float64

+ func SolarEclipsePartialFootprints(seedJDE float64, options SolarEclipsePartialFootprintOptions) SolarEclipsePartialFootprintsResult

+ func SolarEclipsePartialFootprintsIAUSingleK(seedJDE float64, options SolarEclipsePartialFootprintOptions) SolarEclipsePartialFootprintsResult

+ func SolarEclipsePartialFootprintsNASABulletinSplitK(seedJDE float64, options SolarEclipsePartialFootprintOptions) SolarEclipsePartialFootprintsResult

+ type SolarEclipsePathOptions struct

+ StepDays float64

+ TargetSpacingKM float64

+ type SolarEclipsePathPoint struct

+ JDE float64

+ Latitude float64

+ Longitude float64

+ SunAltitude float64

+ WidthKM float64

+ type SolarEclipsePathResult struct

+ CenterLine []SolarEclipsePathPoint

+ Eclipse SolarEclipseResult

+ Greatest SolarEclipsePathPoint

+ NorthernLimit []SolarEclipsePathPoint

+ SouthernLimit []SolarEclipsePathPoint

+ StepDays float64

+ TargetSpacingKM float64

+ func SolarEclipseCentralPath(seedJDE float64, options SolarEclipsePathOptions) SolarEclipsePathResult

+ func SolarEclipseCentralPathIAUSingleK(seedJDE float64, options SolarEclipsePathOptions) SolarEclipsePathResult

+ func SolarEclipseCentralPathNASABulletinSplitK(seedJDE float64, options SolarEclipsePathOptions) SolarEclipsePathResult

+ type SolarEclipseRadiusModel string

+ const SolarEclipseModelIAUSingleK

+ const SolarEclipseModelNASABulletinSplitK

+ type SolarEclipseResult struct

+ CentralBeginOnEarth float64

+ CentralEndOnEarth float64

+ Centrality SolarEclipseCentrality

+ Gamma float64

+ GreatestEclipse float64

+ GreatestLatitude float64

+ GreatestLongitude float64

+ HasAnnular bool

+ HasCentral bool

+ HasHybrid bool

+ HasPartial bool

+ HasTotal bool

+ Magnitude float64

+ Model SolarEclipseRadiusModel

+ PartialBeginOnEarth float64

+ PartialEndOnEarth float64

+ PathWidthKM float64

+ Type SolarEclipseType

+ func SolarEclipse(seedJDE float64) SolarEclipseResult

+ func SolarEclipseIAUSingleK(seedJDE float64) SolarEclipseResult

+ func SolarEclipseNASABulletinSplitK(seedJDE float64) SolarEclipseResult

+ type SolarEclipseType string

+ const SolarEclipseAnnular

+ const SolarEclipseHybrid

+ const SolarEclipseNone

+ const SolarEclipsePartial

+ const SolarEclipseTotal

+ type StarData struct

+ ChineseAlias string

+ ChineseBayerName string

+ ChineseName string

+ CommonAliasName string

+ CommonName string

+ Cst string

+ CstChinese string

+ func StarDataByChinese(name string) (StarData, error)

+ func StarDataByHR(hr int) (StarData, error)

+ func (s StarData) RaDecByDate(date time.Time) (float64, float64)

+ type SunPhysicalInfo struct

+ B0 float64

+ L0 float64

+ P float64

+ func SunPhysical(jd float64) SunPhysicalInfo

+ func SunPhysicalN(jd float64, n int) SunPhysicalInfo

+ type Vector3 [3]float64

+ func OrbitAstrometricGeocentricXYZJ2000(jd float64, elements OrbitElements) Vector3

+ func OrbitGeocentricXYZ(jd float64, elements OrbitElements) Vector3

+ func OrbitGeocentricXYZJ2000(jd float64, elements OrbitElements) Vector3

+ func OrbitHeliocentricXYZ(jd float64, elements OrbitElements) Vector3

+ func OrbitHeliocentricXYZJ2000(jd float64, elements OrbitElements) Vector3

v0.0.8

Feb 20, 2026

v0.0.7

Feb 17, 2026

v0.0.6

Oct 4, 2025

v0.0.5

Sep 8, 2025

v0.0.4

Dec 31, 2024

v0.0.3

Oct 26, 2024

v0.0.2

Jan 16, 2024

v0.0.1

May 16, 2022

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