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2014 UM33
() is a possible dwarf planet and trans-Neptunian object residing in the outer Kuiper belt. It was discovered on October 22, 2014 by the Mount Lemmon Survey. Its orbit was initially poorly determined, with 17 observations over 62 days, giving it an orbital uncertainty of 8. It is listed on Mike Brown's website as a probable dwarf planet, ranked 56th most likely. It is approximately the size of 2 Pallas in the asteroid belt. On August 18, 2015, 2014 UM33 was found to have been discovered over four years previously, with the designation . This extended its observation arc to over 4 years, and then precovery observations were found using the Sloan Digital Sky Survey from 2009.
==See also==
*List of trans-Neptunian objects
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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