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Chiron |
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ChironUnusual object orbiting between Saturn and Uranus, discovered in 1977 by US astronomer Charles Kowal. Initially classified as an asteroid, it has now been given both an asteroid designation (2060 Chiron) and a comet designation (95P/Chiron). It is 130,140 km/8,087 mi across, composed of ice with a dark crust of carbon dust. It has a 51-year orbit and a coma (cloud of gas and dust) caused by evaporation from its surface, resembling that of a comet. It is classified as a centaur. Chiron
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