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Eos, Koronis, and Maria Family Asteroids: Infrared (JHK) Photometry

Authors
Journal
Icarus
0019-1035
Publisher
Elsevier
Publication Date
Volume
114
Issue
1
Identifiers
DOI: 10.1006/icar.1995.1053
Disciplines
  • Physics

Abstract

Abstract Infrared photometry at 1.2, 1.6, and 2.2 μm ( JHK) is reported for 56 asteroids in the Eos, Koronis and, Maria dynamical families. These data are consistent with a similar surface composition for all of the asteroids of each family. The infrared colors within each family cluster in the region observed for the S taxonomic class, but Eos asteroids may belong to a separable K class. Asteroid 243 Ida, which was observed by the Galileo spacecraft, is a typical member of the Koronis family. The average infrared colors of the Maria family are slightly redder than those of the Eos and Koronis families.

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