Uses of Class
org.episteme.natural.physics.astronomy.time.JulianDate

Packages that use JulianDate

Package	Description
org.episteme.natural.physics.astronomy.mechanics
org.episteme.natural.physics.astronomy.observation
org.episteme.natural.physics.astronomy.time

Uses of JulianDate in org.episteme.natural.physics.astronomy.mechanics

Methods in org.episteme.natural.physics.astronomy.mechanics with parameters of type JulianDate

Modifier and Type	Method	Description
static double[]	EphemerisCalculator.geocentricPosition(EphemerisCalculator.Planet planet, JulianDate jd)	Calculates geocentric equatorial coordinates.
static double[]	EphemerisCalculator.heliocentricPosition(EphemerisCalculator.Planet planet, JulianDate jd)	Legacy support wrapper.
static Vector<Real>	EphemerisCalculator.heliocentricPositionVector(EphemerisCalculator.Planet planet, JulianDate jd)	Calculates heliocentric position vector (in J2000 ecliptic frame).
static double[]	EphemerisCalculator.moonPosition(JulianDate jd)	Calculates Moon position (low precision, ~1° accuracy).
static double[]	EphemerisCalculator.sunPosition(JulianDate jd)	Calculates Sun position in geocentric equatorial coordinates.

Uses of JulianDate in org.episteme.natural.physics.astronomy.observation

Methods in org.episteme.natural.physics.astronomy.observation that return JulianDate

Modifier and Type	Method	Description
JulianDate	Observer.riseTime(EquatorialCoordinate eq, JulianDate jdMidnight)
JulianDate	Observer.transitTime(EquatorialCoordinate eq, JulianDate jdMidnight)

Methods in org.episteme.natural.physics.astronomy.observation with parameters of type JulianDate

Modifier and Type	Method	Description
Real	Observer.getLocalSiderealTime(JulianDate jd)
boolean	Observer.isVisible(EquatorialCoordinate eq, JulianDate jd)
JulianDate	Observer.riseTime(EquatorialCoordinate eq, JulianDate jdMidnight)
HorizontalCoordinate	Observer.toHorizontal(EquatorialCoordinate eq, JulianDate jd)
JulianDate	Observer.transitTime(EquatorialCoordinate eq, JulianDate jdMidnight)

Uses of JulianDate in org.episteme.natural.physics.astronomy.time

Methods in org.episteme.natural.physics.astronomy.time that return JulianDate

Modifier and Type	Method	Description
JulianDate	JulianDate.addDays(double days)	Adds days to this Julian Date.
static JulianDate	JulianDate.fromGregorian(int year, int month, double day)	Creates a JulianDate from a Gregorian calendar date and time (UTC).
static JulianDate	JulianDate.fromLocalDateTime(LocalDateTime dateTime)	Creates a JulianDate from Java LocalDateTime (assumes UTC).
static JulianDate	JulianDate.now()	Returns current Julian Date.

Methods in org.episteme.natural.physics.astronomy.time with parameters of type JulianDate

Modifier and Type	Method	Description
static Real	SiderealTime.gmstDegrees(JulianDate jd)	Computes Greenwich Mean Sidereal Time in degrees.
static Real	SiderealTime.gmstHours(JulianDate jd)	Computes Greenwich Mean Sidereal Time in hours.
static Real	SiderealTime.lmstDegrees(JulianDate jd, Real longitude)	Computes Local Mean Sidereal Time in degrees.
static Real	SiderealTime.lmstHours(JulianDate jd, Real longitude)	Computes Local Mean Sidereal Time in hours.