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2012 MU2
(also written 2012 MU2) is a near-Earth asteroid and potentially hazardous object.〔 It was discovered on 18 June 2012 by the Catalina Sky Survey at an apparent magnitude of 19.9 using a Schmidt–Cassegrain telescope.〔 It has an estimated diameter of .〔 The asteroid was listed on Sentry Risk Table with a Torino Scale rating of 1 on 23 June 2012.〔
On 24 June 2012 with an observation arc of 6 days, showed a 1 in 7,140 chance of impacting Earth on 1 June 2015. It was removed from the Sentry Risk Table on the next day (25 June).〔
With an observation arc of 113 days, the JPL Small-Body Database (solution JPL 42 dated 2013-Aug-05) shows that may make a very close approach to asteroid 29 Amphitrite on 8 April 2179.〔 The minimum approach distance is about , but the maximum distance is .〔 The nominal approach is .〔
The Earth approach in 2015 occurred on 15 May 2015 at a distance of .〔
== References ==
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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