The 310 - 680 metre wide asteroid 1987 WC will make a close pass (48.6 lunar distances, 0.1249 AU) travelling at 10.01 km/second, to the Earth-Moon system on the 3rd November 2014 @ 17:33 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
