Capture of Halley-type comets from the near-parabolic flux

Details Capture of Halley-type comets from the near-parabolic flux Capture of Halley-type comets from the near-parabolic flux

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.298..212e&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 298, Issue 1, pp. 212-222.

Astronomy and Astrophysics

Astronomy

23

Methods: Numerical, Celestial Mechanics, Stellar Dynamics, Comets: General, Solar System: General

Scientific paper

The dynamical transfer of comets from nearly parabolic to short-period orbits is investigated, considering perturbations by the major planets Jupiter, Saturn, Uranus and Neptune, for 5 Gyr. The combined analytical and numerical scheme includes all the essential features of the dynamical evolution, namely mean-motion resonances, secular oscillations, secular resonances, and close encounters with planets. The orbital evolution of ~10^5 randomly oriented near-parabolic orbits is considered, with initial inclinations i and perihelion distances q uniformly distributed respectively in cos i and each of the five ranges 00.06 respectively. The probability for nearly parabolic orbits with initial perihelia in the range 10.5

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