Dynamical Effects from Asteroid Belts for Planetary Systems

Abstract

The orbital evolution and stability of planetary systems with interaction from the belts is studied using the standard phase-plane analysis. In addition to the fixed point which corresponds to the Keplerian orbit, there are other fixed points around the inner and outer edges of the belt. Our results show that for the planets, the probability to move stably around the inner edge is larger than the one to move around the outer edge. It is also interesting that there is a limit cycle of semi-attractor for a particular case. Applying our results to the Solar System, we find that our results could provide a natural mechanism to do the orbit rearrangement for the larger Kuiper Belt Objects and thus successfully explain the absence of these objects beyond 50 AU.

accepted by International Journal of Bifurcation and Chaos in Aug. 2003, AAS Latex, 27 pages with 6 color figures

References in corpus (4)

• A Planet at 5 AU Around 55 Cancri
• Dynamical relaxation and the orbits of low-mass extrasolar planets
• Orbital Evolution of Scattered Planets
• Bifurcation for Dynamical Systems of Planet-Belt Interaction

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