The 200 - 450 metre wide asteroid 2002 AY1 will make a close pass (14.8 lunar distances, 0.0381 AU), travelling at 17.35 km/second, to the Earth-Moon system on the 7th January, 2013 @ 23:05 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).
