Volume 405, Number 3, July III 2003
|Page(s)||1145 - 1151|
|Section||Planets and planetary systems|
|Published online||30 June 2003|
The resonant dynamical evolution of small body orbits among giant planets
Space Research Centre, ul. Bartycka 18A, 00-716 Warszawa, Poland e-mail: firstname.lastname@example.org
2 Astronomical Observatory of the Chorzów Planetarium, WPKiW, 41-501 Chorzów, Poland e-mail: email@example.com
Corresponding author: R. Gabryszewski, firstname.lastname@example.org
Accepted: 25 April 2003
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 (~104 years) when a body was in a MMR with only one planet and long period (over 105 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.
Key words: solar system: general / minor planets, asteroids / celestial mechanics
© ESO, 2003
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