Collisional and dynamical history of Ida

Richard J. Greenberg, William F. Bottke, Michael Nolan, Paul Geissler, Jean Marc Petit, Daniel D. Durda, Erik Asphaug, James Head

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

The history of Ida is constrained by its membership in the Koronis family, its satellite Dactyl, the record of impacts left on its surface, and other dynamical, morphological, and spectral properties. Models of crater production and comparably effective erasure processes, combined with the current size - frequency distribution of craters, suggest that the age of the surface is either about 50 myr or > 1 byr. The younger age may be inconsistent with the degraded appearance of many craters, while the older age conflicts with the collisional life expectancy of Dactyl. Consideration of Dactyl's evolution may resolve this issue as well as shed light on the formation of Dactyl, the density of Ida, and possible source regions for Ida and Dactyl within the Koronis parent body.

Original languageEnglish (US)
Pages (from-to)106-118
Number of pages13
JournalIcarus
Volume120
Issue number1
DOIs
StatePublished - Mar 1996

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natural satellites
crater
histories
craters
history
life expectancy
parent body
sheds
frequency distribution

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Greenberg, R. J., Bottke, W. F., Nolan, M., Geissler, P., Petit, J. M., Durda, D. D., ... Head, J. (1996). Collisional and dynamical history of Ida. Icarus, 120(1), 106-118. https://doi.org/10.1006/icar.1996.0040

Collisional and dynamical history of Ida. / Greenberg, Richard J.; Bottke, William F.; Nolan, Michael; Geissler, Paul; Petit, Jean Marc; Durda, Daniel D.; Asphaug, Erik; Head, James.

In: Icarus, Vol. 120, No. 1, 03.1996, p. 106-118.

Research output: Contribution to journalArticle

Greenberg, RJ, Bottke, WF, Nolan, M, Geissler, P, Petit, JM, Durda, DD, Asphaug, E & Head, J 1996, 'Collisional and dynamical history of Ida', Icarus, vol. 120, no. 1, pp. 106-118. https://doi.org/10.1006/icar.1996.0040
Greenberg RJ, Bottke WF, Nolan M, Geissler P, Petit JM, Durda DD et al. Collisional and dynamical history of Ida. Icarus. 1996 Mar;120(1):106-118. https://doi.org/10.1006/icar.1996.0040
Greenberg, Richard J. ; Bottke, William F. ; Nolan, Michael ; Geissler, Paul ; Petit, Jean Marc ; Durda, Daniel D. ; Asphaug, Erik ; Head, James. / Collisional and dynamical history of Ida. In: Icarus. 1996 ; Vol. 120, No. 1. pp. 106-118.
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