Long-Term Prediction of Satellite Orbit Using Analytical Method

Details Long-Term Prediction of Satellite Orbit Using Analytical Method Long-Term Prediction of Satellite Orbit Using Analytical Method

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997jass...14..381y&link_type=abstract

Journal of Astronomy and Space Sciences, vol. 14, no. 2, p. 381-385.

Astronomy and Astrophysics

Astronomy

Scientific paper

A long-term prediction algorithm of geostationary orbit was developed using the analytical method. The perturbation force models include geopotential upto fifth order and degree and luni-solar gravitation, and solar radiation pressure. All of the perturbation effects were analyzed by secular variations, short-period variations, and long-period variations for equinoctial elements such as the semi-major axis, eccentricity vector, inclination vector, and mean longitude of the satellite. Result of the analytical orbit propagator was compared with that of the cowell orbit propagator for the KOREASAT. The comparison indicated that the analytical solution could predict the semi-major axis with an accuarcy of better than ~35meters over a period of 3 month.

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