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(53110) 1999 AR7: A NEW NEA BINARY DISCOVERY.

The Minor planet bulletin Pub Date : 2016-04-01
Brian D Warner
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Abstract

Analysis of CCD photometric observations of the near-Earth asteroid (53110) 1999 AR7 made in 2015 December show it to be a binary system with a primary period of 2.7375 ± 0.0005 h and orbital period of 31.31 ± 0.02 h. The depth of the secondary mutual event indicates a minimum effective diameter ratio (Ds/Dp) of 0.41 ± 0.02.

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(53110) 1999 ar7:一个新的近地双星发现。
2015年12月对近地小行星(53110)1999 AR7的CCD光度观测结果分析表明，它是一个双星系统，主周期为2.7375±0.0005 h，轨道周期为31.31±0.02 h，次相互事件的深度表明最小有效直径比(Ds/Dp)为0.41±0.02。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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The Minor planet bulletin
The Minor planet bulletin
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