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Dactyl (moon)

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This is an old revision of this page, as edited by Vicki Rosenzweig (talk | contribs) at 17:33, 3 September 2002 (a little more info; not much is known). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Dactyl, discovered in 1993, is a tiny asteroid (diameter 1.4 km) that orbits asteroid 243 Ida. The origins of Dactyl are unclear. The two main theories are that it and Ida formed at the same time, and that it was knocked loose by a later impact. Both have problems.

Dactyl, found by the Galileo probe was the first asteroid moon discovered.

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