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cruithne - moon or not

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Chapel | 11:52 Sat 03rd Sep 2005 | Science
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If Cruithne rotates around the Earth, why isn't it recognised as a moon?
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Avatar Image Skids
Because it doesn't orbit the Earth, it has an eliptical orbit around the sun which takes just less than an Earth year.  Because of this (and complicated celestial mechanics) it appears to have a horseshoe orbit around the Earth.
14:49 Sat 03rd Sep 2005
Avatar Image Loosehead
on QI they said it counts as a sattellite. Alan Davies was caught out by the question. yes it is a horshoe orbit.
14:49 Sun 04th Sep 2005

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