Reference Earth Model - WGS84
2 from WGS84 parameters Calculation of J 2 from the polar-C and equatorial-A moments of inertia Kepler's third law relating orbit frequency-ω s, and radius-r, to M e Measurement of J 2 from orbit frequency-ω s, radius-r, inclination-i, and precession rate-ω p Hydrostatic flattening is less than observed flattening J 2 = 2 3 f− a3ω2 3GM e ...
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