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2011 GM27
is a trans-Neptunian object (TNO) in the Kuiper belt. It orbits slightly outside a 3:5 resonance with Neptune, taking 16 years (5.5% of its orbit) longer to orbit the Sun than a body in 3:5 resonance. It was discovered on 2 April 2011 at ESO's La Silla Observatory in Chile. With an absolute magnitude of 5.2,〔 it is probably a dwarf planet, as its diameter has been roughly estimated to be about 450 kilometers based on an assumed geometric albedo of 0.06.〔 It has a Tisserand's parameter relative to Jupiter of 5.771.〔 Precovery observations exist dating back to 2006 in SDSS data.〔 == References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「2011 GM27」の詳細全文を読む
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