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零度星系
发表于 2012-5-29 12:50
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来自: 中国–四川–攀枝花 电信
| from the Siding Spring-Faulkes Telescope South on 2012, May 28.4, through a 2.0-m f/10.0 Ritchey-Chretien + CCD. |
Tomorrow, May 29, 2012 at about 07:07 UT, the asteroid designated 2012 KT42 will pass only ~14,000 km (8,700 miles) or about ~0.05 lunar distance (or 0.0001379 AU) above the Earth's surface. The asteroid was discovered by Mt. Lemmon Survey with a 1.5-m reflector + CCD on May 28, 2012 at magnitude ~18.1. |
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