The 290 - 650 metre wide asteroid 1998 XX2 will make a close pass (52.8 lunar distances, 0.1356 au), travelling at 10.62 km/second, to the Earth-Moon system on the 20th October, 2012 @ 14:17 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).
