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(7888) 1993 UC is a near-Earth minor planet in the Apollo group.〔 It was discovered by Robert H. McNaught at the Siding Spring Observatory in Coonabarabran, New South Wales, Australia, on October 20, 1993.〔 The asteroid has an observation arc of 23 years and has a well determined orbit.〔 Its estimated size is 2.3 to 5.2 km.〔NASA ("NEO Earth Close Approach Tables" ), Retrieved on 21 December 2012.〕 On March 20, 2013, the asteroid passed 49 lunar distances or from Earth at a relative velocity of .〔 The approach posed no threat to Earth. (7888) 1993 UC is not classified as a potentially hazardous asteroid (PHA) because its Earth MOID (Minimum Orbit Intersection Distance) is only 0.089 AU,〔 and only objects with an Earth MOID less than 0.05 AU are considered PHAs.〔NASA/JPL ("NEO Program FAQ" ), Retrieved on 21 December 2012.〕 It was discovered to be a binary asteroid by Arecibo Observatory in March 2013.〔 On April 29, 2146, the asteroid will pass from asteroid 4 Vesta.〔 ==See also== *List of minor planets: 7001–8000 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「(7888) 1993 UC」の詳細全文を読む スポンサード リンク
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