Lines Matching refs:Ecliptic
96 * it takes for the moon to return the same ecliptic longitude as the sun.
109 * for the moon to return to the same ecliptic longitude relative to the
439 * Convert from ecliptic to equatorial coordinates.
441 * @param ecliptic A point in the sky in ecliptic coordinates.
446 CalendarAstronomer::Equatorial& CalendarAstronomer::eclipticToEquatorial(CalendarAstronomer::Equatorial& result, const CalendarAstronomer::Ecliptic& ecliptic)
448 return eclipticToEquatorial(result, ecliptic.longitude, ecliptic.latitude);
452 * Convert from ecliptic to equatorial coordinates.
454 * @param eclipLong The ecliptic longitude
455 * @param eclipLat The ecliptic latitude
483 * Convert from ecliptic longitude to equatorial coordinates.
485 * @param eclipLong The ecliptic longitude
532 #define SUN_ETA_G (279.403303 * CalendarAstronomer::PI/180) // Ecliptic longitude at epoch
533 #define SUN_OMEGA_G (282.768422 * CalendarAstronomer::PI/180) // Ecliptic longitude of perigee
548 // * Return the sun's ecliptic longitude at perigee for the current time.
558 // * Return the sun's ecliptic longitude for the current time.
614 * The longitude is measured in radians along the ecliptic
615 * from the "first point of Aries," the point at which the ecliptic
718 * Find the next time at which the sun's ecliptic longitude will have
941 // // This is the obliquity of the ecliptic, plus some of the elements of
966 // // Since the Sun is always at the ecliptic (or at least very very close to
967 // // it), we can use simplified formulae to convert slon (the Sun's ecliptic
1125 // of its own orbit. Now map to the ecliptic to get the latitude
1127 // node, the position on the ecliptic where it is crossed by the moon's
1149 * current ecliptic longitudes of the sun and the moon,
1238 * Find the next or previous time at which the Moon's ecliptic
1409 * Return the obliquity of the ecliptic (the angle between the ecliptic
1413 * @return the obliquity of the ecliptic relative to the equator,
1480 UnicodeString CalendarAstronomer::Ecliptic::toString() const
