Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..133..437m&link_type=abstract
Astronomy and Astrophysics Supplement, v.133, p.437-444
Astronomy and Astrophysics
Astrophysics
9
Minor Planets, Asteroids, Solar System: General, Methods: Analytical, Numerical
Scientific paper
The introduction of surveys ({e.g.} Spacewatch, OCA-DLR) dedicated to the discovery of asteroids and other small bodies is likely to increase the number of known objects to many times the current figure of roughly 30 000. Previous methods for determining collision probabilities amongst these objects ({e.g.} those due to Öpik, Wetherill, Greenberg and Kessler) all have idiosyncrasies which make them inappropriate for analyses of interactions between large numbers of solar system bodies. Here we present an adaptation of the Wetherill and Greenberg methods, which avoids approximations made by Öpik but which remains accurate and fast enough in its implementation to allow the direct analysis of the collision probabilities and impact velocities of thousands of potentially colliding objects.
Bailey Mark E.
Manley S. P.
Migliorini Fabbio
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