Craters on asteroids: Reconciling diverse impact records with a common impacting population

David P. O'Brien, Richard Greenberg, James E. Richardson

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

O'Brien and Greenberg [O'Brien, D.P., Greenberg, R., 2005. Icarus 178, 179-212] developed a self-consistent numerical model of the collisional and dynamical evolution of the main-belt and NEA populations that was tested against a diverse range of observational and theoretical constraints. In this paper, we use those results to update the asteroid cratering model of Greenberg et al. [Greenberg, R., Nolan, M.C., Bottke, W.F., Kolvoord, R.A., Veverka, J., 1994. Icarus 107, 84-97; Greenberg, R., Bottke, W.F., Nolan, M., Geissler, P., Petit, J., Durda, D.D., Asphaug, E., Head, J., 1996. Icarus 120, 106-118], and show that the main-belt asteroid population from the O'Brien and Greenberg collisional/dynamical evolution modeling is consistent with the crater records on Gaspra, Ida, Mathilde, and Eros, the four asteroids that have been observed by spacecraft.

Original languageEnglish (US)
Pages (from-to)79-92
Number of pages14
JournalIcarus
Volume183
Issue number1
DOIs
StatePublished - Jul 1 2006

Keywords

  • Asteroids
  • Collisional physics
  • Cratering

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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