Long-periodic and secular perturbations to the orbit of a spherical satellite due to direct solar radiation pressure |
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| Authors: | N M Harwood G G Swinerd |
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| Institution: | (1) Department of Aeronautics and Astronautics, University of Southampton, SO17 1BJ Southampton, Hants, U.K. |
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| Abstract: | A theory is developed for the perturbations to the orbit of a spherically symmetric satellite which accounts for the changes in the perigee and nodal positions and the variations of the Sun-Earth distance and direction over an orbital revolution. The theory is semi-analytical, the equations of motion being integrated with respect to time over the sunlit period of each orbital revolution. Long-periodic and short-periodic perturbations may be treated separately, and this is important for long-term analyses in terms of mean elements where short-period terms are averaged or omitted. |
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| Keywords: | Orbit perturbation solar radiation pressure |
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