Dynamics of some fictitious satellites of Venus and Mars

Details Dynamics of some fictitious satellites of Venus and Mars Dynamics of some fictitious satellites of Venus and Mars

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999p%26ss...47..619y&link_type=abstract

Planetary and Space Science, Volume 47, Issue 5, p. 619-627.

Physics

5

Scientific paper

The dynamics of some fictitious satellites of Venus and Mars are studied considering only solar perturbation and the oblateness of the planet, as disturbing forces. Several numerical integrations of the averaged system, taking different values of the obliquity of ecliptic (ɛ), show the existence of strong chaotic motion, provided that the semi major axis is near a critical value. As a consequence, large increase of eccentricities occur and the satellites may collide with the planet or cross possible internal orbits. Even starting from almost circular and equatorial orbits, most satellites can easily reach prohibitive values. The extension of the chaotic zone depends clearly on the value of ɛ, so that, previous regular regions may become chaotic, provided ɛ increases sufficiently.

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