Perturbations of a close-Earth satellite due to sunlight diffusely reflected from the Earth |
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Authors: | D A Lautman |
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Institution: | (1) Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, 02138 Cambridge, Massachusetts, USA |
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Abstract: | A semianalytic method has been developed to calculate the radiation-pressure perturbations of a close-Earth satellite due to sunlight reflected from the Earth. The assumptions made are that the satellite is spherically symmetric and that the solar radiation is reflected from the Earth according to Lambert's Law with uniform albedo. By using expressions for the components of the radiation-pressure force due to Lochry, the expressions for the perturbations of the elements were developed into series in the true anomalyv. The perturbations within a given revolution can be obtained analytically by integrating with respect tov while holding all slowly varying quantities constant. The long-range perturbations are then obtained by accumulating the net perturbations at the end of each revolution. |
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