Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997cemda..69..317s&link_type=abstract
Celestial Mechanics and Dynamical Astronomy, v. 69, Issue 3, p. 317-330 (1997).
Astronomy and Astrophysics
Astronomy
Artificial Satellite, Nekhoroshev'S Theory, Normal Form, Stability, Artificial Satellite, Nekhoroshev'S Theory, Normal Form, Stability
Scientific paper
We investigate the significance of long time stabilty predictions in the light of Nekhoroshev's theory by studying the orbits of artificial satellites. As a simplified model problem we consider the so-called J2problem for an earth's satellite, neglecting luni-solar perturbations and nonconservative effects. We consider a wide range of orbits, excluding those which are too close to the critical inclination. Most of the orbits turn out to be stable for times larger than the estimated age of the solar system, thus proving that, as far as dissipation can be neglected, stability in Nekhoroshev's sense may be effective for physically realistic systems.
Giorgilli Antonio
Steichen Daniel
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