* Astronomy

The 320 - 710 metre wide asteroid 2002 WQ4 will make a close pass (40.8 lunar distances, 0.1050 AU), travelling at 9.58 km/second, to the Earth-Moon system on the 28th January, 2014 @ 17:13 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).