Collision rates and impact velocities in the Main Asteroid Belt

Details Collision rates and impact velocities in the Main Asteroid Belt Collision rates and impact velocities in the Main Asteroid Belt

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...97..111f&link_type=abstract

Icarus (ISSN 0019-1035), vol. 97, no. 1, May 1992, p. 111-123.

Mathematics

Probability

106

Asteroid Belts, Collision Rates, Eccentric Orbits, Meteorite Collisions, Orbit Perturbation, Infrared Astronomy Satellite, Orbital Elements, Probability Theory

Scientific paper

Wetherill'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.

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