Minor Planets Stick Together
Minor Planets Stick Together
June 23, 2006 | In January 2006, astronomers aimed the Hubble Space Telescope at an icy rock near the orbit of Uranus — and found twins. The object, known as 2002 CR46, turned out to be a binary: a minor planet the size of Rhode Island orbiting another the size of Connecticut at a distance of 1,300 kilometers (800 miles).
http://skyandtelescope.com/news/article_1746_1.asp