The Origin of Chaos in the Outer Solar System-Reference-Cited by-同舟云学术

The Origin of Chaos in the Outer Solar System

Published:1999-03-19 Issue:5409 Volume:283 Page:1877-1881
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Murray N.¹,Holman M.²

Affiliation:

1. Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, Ontario M5S 3H8, Canada.

2. Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA.

Abstract

Classical analytic theories of the solar system indicate that it is stable, but numerical integrations suggest that it is chaotic. This disagreement is resolved by a new analytic theory. The theory shows that the chaos among the jovian planets results from the overlap of the components of a mean motion resonance among Jupiter, Saturn, and Uranus, and provides rough estimates of the Lyapunov time (10 7 years) and the dynamical lifetime of Uranus (10 18 years). The jovian planets must have entered the resonance after all the gas and most of the planetesimals in the protoplanetary disk were removed.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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