The Centaur (planetoid) reference article from the English Wikipedia on 24-Apr-2004
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Centaur (planetoid)

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The Centaurs are a class of icy planetoids that orbit the Sun between Jupiter and Neptune, named after the mythical race of centaurs.

The first Centaur, 2060 Chiron was found to display a coma upon its approach to perihelion, and is now officially classified as both a comet (95/P Chiron) and an asteroid, although it is far larger than a typical comet and there is some lingering controversy. Other Centaurs are being monitored for comet-like activity.

Well-known centaurs include:
Name Year Discoverer
8405 Asbolus 1995 David Rabinowitz
7066 Nessus 1993 David Rabinowitz
5145 Pholus 1992 David Rabinowitz
2060 Chiron 1977 Charles Kowal

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