The 1300 - 2900 metre wide asteroid 2004 EW9 will make a close pass (46.8 lunar distances, 0.1202 AU), travelling at 10.90 km/second, to the Earth-Moon system on the 16th July, 2012 @ 21:37 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).