(277475) 2005 WK4

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2005 WK4

277475 2005 WK4[1] is a near Earth asteroid that passed within 8.2 Lunar distances on August 8, 2013.[2] It was radar-imaged by the Deep Space Network dish at Goldstone, USA.[2] The asteroid is between 660 and 980 feet (200 and 300 meters) in diameter, and rotated 2.5 times is 6.5 hours.[2] It was previously observed by the Arecibo radar in July 2012 (this was not a close approach though), and is also classified as a PHA.[3] The asteroid was discovered in November 2005 by the Siding Spring Survey.[4]


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