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Depletion of the Outer Asteroid BeltDuring the early history of the solar system, it is likely that the outer planets changed their distance from the sun, and hence, their influence on the asteroid belt evolved with time. The gravitational influence of Jupiter and Saturn on the orbital evolution of asteroids in the outer asteroid belt was calculated. The results show that the sweeping of mean motion resonances associated with planetary migration efficiently destabilizes orbits in the outer asteroid belt on a time scale of 10 million years. This mechanism provides an explanation for the observed depletion of asteroids in that region.
Document ID
19970022113
Acquisition Source
Headquarters
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1126/science.275.5298.375
Authors
Liou, Jer-Chyi (NASA Johnson Space Center Houston, TX United States)
Malhotra, Renu (Lunar and Planetary Inst. Houston, TX United States)
Date Acquired
September 6, 2013
Publication Date
January 17, 1997
Publication Information
Publication: Science
Publisher: American Institute of Aeronautics and Astronautics
Volume: 275
Subject Category
Astrophysics
Report/Patent Number
NAS 1.26:204695
LPI-Contrib-905
NASA-CR-204695
Accession Number
97N22723
Funding Number(s)
CONTRACT_GRANT: NAGw-4474
CONTRACT_GRANT: NASw-4574
Distribution Limits
Public
Copyright
Public Use Permitted.

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