Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980cemec..21..183m&link_type=abstract
(Conference on Mathematical Methods in Celestial Mechanics, 6th, Oberwolfach, West Germany, Aug. 14-19, 1978.) Celestial Mechani
Astronomy and Astrophysics
Astronomy
1
Astrodynamics, Hamiltonian Functions, Satellite Orbits, Satellite Perturbation, Von Zeipel Method, Convergence, Equations Of Motion, Integral Equations
Scientific paper
The usual Von Zeipel transformations of the Hamiltonian Mechanics are presented, they lead to state functions with extremely slow variations: the 'quasi-integrals'. The Von Zeipel transformations are implicit: an explicit and direct construction of the quasi-integrals is also presented and the quasi-invariance property of these functions is demonstrated. These results are applied to the problem of the motion of artificial satellites perturbed by the zonal harmonics of the earth potential, the quasi-integral is given, it is then so constant that the problem can be considered as integrable.
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