A method of orbit computation taking into account the earth's oblateness

Details A method of orbit computation taking into account the earth's oblateness A method of orbit computation taking into account the earth's oblateness

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cha%26a..27..335l&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 27, Issue 3, p. 335-339.

Astronomy and Astrophysics

Astrophysics

2

Celestial Mechanics, Planets, Satellite

Scientific paper

The Laplace method is a typical method of orbit computation for short arcs in the model of two-body problem. If the angular measurement is as accurate as 10-4 - 10-5 (2'' - 20'' ), then the oblateness of the Earth should be considered in the computation. In this paper, the theory and procedure of an improved Laplace method is given together with numerical examples. Besides orbit computation with multiple measurements, the method discussed in this paper is an efficient way to improve the accuracy of orbit computation, in general. It is the more useful the larger the oblateness.

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