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2009 KK
2009 KK is an asteroid which was listed for several weeks in May and June 2009 on the Sentry Risk Table with a Torino Scale rating of 1.〔 There was a 1 in 10000 chance of an impact on 29 May 2022.〔 On 22 May 2009, it was listed as one of two near-earth objects assessed above Level 0 for potential impacts within 100 years, the other being 2007 VK184. As of 10 June 2009 it was downgraded to Level 0 as the cumulative Earth-impact probability was assessed as 7.9e-06 or 1 in 127,000.〔 On 17 June 2009, JPL removed 2009 KK from the list of potential Earth impactors. It is now known that on 4 May 2022 the asteroid will be from Earth.〔
== 2194 passage ==
2009 KK may pass as close as from Earth on 2194-Jun-02.〔 But the nominal solution shows the asteroid passing from Earth.〔
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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