Lines Matching full:orbit
135 * background. This is the duration of one orbit of the earth about the sun
526 // Parameters of the Sun's orbit as of the epoch Jan 0.0 1990
533 #define SUN_E 0.016713 // Eccentricity of orbit
573 // * Return the sun's eccentricity of orbit for the current time.
584 * its mean anomaly and the eccentricity of its orbit. This uses
588 * a regular, circular orbit, measured in radians
591 * @param eccentricity The eccentricity of the orbit
645 // circular orbit has travelled since the epoch.
653 // by solving Kepler's equation for an elliptical orbit
935 // // the Sun's apparent orbit (i.e., really the Earth's orbit): w =
1045 #define moonI ( 5.145366 * CalendarAstronomer::PI/180 ) // Inclination of orbit
1046 #define moonE ( 0.054900 ) // Eccentricity of orbit
1077 // a circular orbit. Similar to the corresponding solar calculation.
1118 // of its own orbit. Now map to the ecliptic to get the latitude
1121 // orbit as it crosses from the southern to the northern hemisphere.
