Computer Science
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.284..430c&link_type=abstract
Nature, vol. 284, Apr. 3, 1980, p. 430, 431.
Computer Science
2
Orbital Mechanics, Phobos, Planetary Evolution, Asteroids, Carbonaceous Meteorites, Phobos, Evolution, Inclination, Mars, Satellites, Origin, Orbits, Hypotheses, Composition, Deimos, Eccentricity, Capture, Accretion, Perturbations, Tidal Forces, Radius, Models
Scientific paper
The evolution of the orbital inclinations of the Martian satellites is traced backwards in time in order to investigate hypotheses of their origin. The semimajor axes, orbital eccentricities and inclinations with respect to the Laplacian plane of Phobos and Deimos are numerically integrated, with consideration given to both planetary and satellite tides and assuming that the spin axes of the satellites coincide with their orbital poles through orbital evolution. Results indicate that the Martian satellites originated very close to the Martian orbital plane rather than the equatorial plane if they ever have been outside the critical distance of Mars, thus supporting the hypothesis that Phobos and Deimos are captured asteroids.
Cazenave Anny
Dobrovolskis Anthony R.
Lago Bernard
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