3/7/2024 0 Comments Planets degree calculatorThe figures quoted in the Astronomical Almanac do not tally with the period of the planet as calculated by applying Kepler’s 3rd Law to the semi-major axis. This figure can be used to find the mean anomaly of the planet for a given number of days either side of the date of the elements. Daily motion (n) - states how far in degrees the planet moves in one (mean solar) day.Mean distance (a) - the value of the semi-major axis of the orbit – measured in Astronomical Units for the major planets.Longitude of Perihelion (p) - states the position in the orbit where the planet is closest to the Sun.Longitude of the Ascending Node (o) - states the position in the orbit where the elliptical path of the planet passes through the plane of the ecliptic, from below the plane to above the plane.The intersection is called e plane of the orbit. For Earth-orbiting satellites, the reference plane is usually the earths equatorial plane and for satellites in the solar orbits it is the elliptic plane. In this diagram the orbital plane (yellow) intersects a reference plane. Inclination (i) - angle between the plane of the Ecliptic and the I.
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