The Binary asteroid reference article from the English Wikipedia on 24-Apr-2004
(provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Binary asteroid

Helping orphans the way you would do it
A binary asteroid system is one in which two asteroids of roughly similar size orbit their common centre of gravity. An example is the Antiope system. For more detail, see the entry on asteroid moons.

This article is a stub. You can help Wikipedia by expanding it.