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New semi-analytical calculation of lunar, solar and planetary perturbations in motion of Earth satellites

Published online by Cambridge University Press:  16 October 2024

Sergey M. Kudryavtsev*
Affiliation:
M.V. Lomonosov Moscow State University, Sternberg Astronomical Institute, 13, Universitetsky Pr., Moscow, Russia
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Abstract

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We suggest an advanced algorithm for semi-analytical calculation of orbital perturbations of Earth artificial satellites caused by the gravity attraction of the “3rd-bodies” (the Moon, the Sun, major planets). A new accurate analytical series for the relevant perturbation function is developed. It is obtained through a careful spectral analysis of the long-term DE406 planetary/lunar ephemerides and valid over 2000 years, 1000-3000. The series is used in the author’s semi-analytical model of satellite motion. The results of the motion prediction of several Earth satellites obtained by means of the semi-analytical model and a numerical integration method are compared.

Type
Poster Paper
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union

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