Analysis of 27Satellite Orbits to Determine Odd Zonal Harmonics in the Geopotential.

摘要

The odd zonal harmonics in the geopotential are the terms independent of longitude and antisymmetric about the equator:they define the 'pear-shape'effect. The coefficients J3, J5, J7, ... of these harmonics have been evaluated by analyzing the variations in eccentricity of 27orbits covering a wide range of inclinations.