The Resonant Dynamical Evolution of Small Body Orbits Among Giant Planets

Details The Resonant Dynamical Evolution of Small Body Orbits Among Giant Planets The Resonant Dynamical Evolution of Small Body Orbits Among Giant Planets

2002-03-12

arxiv.org/abs/astro-ph/0203182v2

Astron.Astrophys. 405 (2003) 1145-1152

Astronomy and Astrophysics

Astrophysics

8 pages, 6 figures

Scientific paper

10.1051/0004-6361:20030654

Mean motion resonances (MMRs) can lead either to chaotic or regular motion. We report on a numerical experiment showing that even in one of the most chaotic regions of the Solar System - the region of the giant planets, there are numerous bands where MMRs can stabilize orbits of small bodies in a time span comparable to their lifetimes. Two types of temporary stabilization were observed: short period ($\sim10^{4}$ years) when a body was in a MMR with only one planet and long period (over $10^{5}$ years) when a body is located in overlapping MMRs with two or three planets. The experiment showed that the Main Belt region can be enriched by cometary material in its pre-active state due to temporary resonant interactions between small bodies and giant planets.

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