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Collision rates and impact velocities in the Main Asteroid BeltWetherill's (1967) algorithm is presently used to compute the mutual collision probabilities and impact velocities of a set of 682 asteroids with large-than-50-km radius representative of a bias-free sample of asteroid orbits. While collision probabilities are nearly independent of eccentricities, a significant decrease is associated with larger inclinations. Collisional velocities grow steeply with orbital eccentricity and inclination, but with curiously small variation across the asteroid belt. Family asteroids are noted to undergo collisions with other family members 2-3 times more often than with nonmembers.
Document ID
19920061070
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Farinella, Paolo
(Pisa, Universita Italy)
Davis, Donald R.
(Planetary Science Institute Tucson, AZ, United States)
Date Acquired
August 15, 2013
Publication Date
May 1, 1992
Publication Information
Publication: Icarus
Volume: 97
Issue: 1 Ma
ISSN: 0019-1035
Subject Category
Lunar And Planetary Exploration
Accession Number
92A43694
Funding Number(s)
CONTRACT_GRANT: NATO-0137/89
CONTRACT_GRANT: NASW-4494
Distribution Limits
Public
Copyright
Other

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