The 460 - 1000 metre wide asteroid (450263) 2003 WD158 will make a close pass (77.5 LD, 0.1993 AU) travelling at 16.26 km/second, to the Earth-Moon system on the 16th January 2016 @ 15:17 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).