Statistics
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...78..280h&link_type=abstract
Icarus (ISSN 0019-1035), vol. 78, April 1989, p. 280-286.
Statistics
4
Asteroids, Collisions, Orbital Mechanics, Astrometry, Mass, Orbital Elements, Orbital Resonances (Celestial Mechanics), Planet Ephemerides, Asteroids, Collisions, Mass, Astrometry, Hispania, Orbital Elements, Velocity, Distribution, Statistical Analysis, Dynamics, Fragments, Celestial Mechanics
Scientific paper
It is noted that the distribution of encounter velocities and orbital elements of asteroids involved in 15 close encounters between 1980 and 1988 differs from a random distribution with respect to the asteroid belt as a whole, thereby affecting asteroid collision statistics. Impactless collisions appear to play a greater role in asteroid dynamics than previously assumed; if the distributions of collision locations with respect to the semimajor axes of well-known families and those typical for the Kirkwood gaps are more than a chance configuration, this would imply far more circular orbits for the parent bodies of the families than are now found for the fragments.
Hoffmann Marc
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