Lines Matching refs:Ecliptic
95 * it takes for the moon to return the same ecliptic longitude as the sun.
108 * for the moon to return to the same ecliptic longitude relative to the
438 * Convert from ecliptic to equatorial coordinates.
440 * @param ecliptic A point in the sky in ecliptic coordinates.
445 CalendarAstronomer::Equatorial& CalendarAstronomer::eclipticToEquatorial(CalendarAstronomer::Equatorial& result, const CalendarAstronomer::Ecliptic& ecliptic)
447 return eclipticToEquatorial(result, ecliptic.longitude, ecliptic.latitude);
451 * Convert from ecliptic to equatorial coordinates.
453 * @param eclipLong The ecliptic longitude
454 * @param eclipLat The ecliptic latitude
482 * Convert from ecliptic longitude to equatorial coordinates.
484 * @param eclipLong The ecliptic longitude
531 #define SUN_ETA_G (279.403303 * CalendarAstronomer::PI/180) // Ecliptic longitude at epoch
532 #define SUN_OMEGA_G (282.768422 * CalendarAstronomer::PI/180) // Ecliptic longitude of perigee
547 // * Return the sun's ecliptic longitude at perigee for the current time.
557 // * Return the sun's ecliptic longitude for the current time.
613 * The longitude is measured in radians along the ecliptic
614 * from the "first point of Aries," the point at which the ecliptic
717 * Find the next time at which the sun's ecliptic longitude will have
934 // // This is the obliquity of the ecliptic, plus some of the elements of
959 // // Since the Sun is always at the ecliptic (or at least very very close to
960 // // it), we can use simplified formulae to convert slon (the Sun's ecliptic
1118 // of its own orbit. Now map to the ecliptic to get the latitude
1120 // node, the position on the ecliptic where it is crossed by the moon's
1142 * current ecliptic longitudes of the sun and the moon,
1228 * Find the next or previous time at which the Moon's ecliptic
1396 * Return the obliquity of the ecliptic (the angle between the ecliptic
1400 * @return the obliquity of the ecliptic relative to the equator,
1467 UnicodeString CalendarAstronomer::Ecliptic::toString() const
