The 14 - 31 metre wide asteroid 2007 EO88 will make a close pass (4.4 lunar distances, 0.0114 AU), travelling at 10.65 km/second, to the Earth-Moon system on the 18th March, 2013 @ 20:50 UT ±01:45.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).