Lines Matching full:orbit
134 * background. This is the duration of one orbit of the earth about the sun
525 // Parameters of the Sun's orbit as of the epoch Jan 0.0 1990
532 #define SUN_E 0.016713 // Eccentricity of orbit
572 // * Return the sun's eccentricity of orbit for the current time.
583 * its mean anomaly and the eccentricity of its orbit. This uses
587 * a regular, circular orbit, measured in radians
590 * @param eccentricity The eccentricity of the orbit
644 // circular orbit has travelled since the epoch.
652 // by solving Kepler's equation for an elliptical orbit
940 // // the Sun's apparent orbit (i.e., really the Earth's orbit): w =
1050 #define moonI ( 5.145366 * CalendarAstronomer::PI/180 ) // Inclination of orbit
1051 #define moonE ( 0.054900 ) // Eccentricity of orbit
1082 // a circular orbit. Similar to the corresponding solar calculation.
1123 // of its own orbit. Now map to the ecliptic to get the latitude
1126 // orbit as it crosses from the southern to the northern hemisphere.
