The 430 - 970 metre wide asteroid 2000 BF19 will make a close pass (64.4 lunar distances, 0.1655 AU), travelling at 9.16 km/second, to the Earth-Moon system on the 11th June, 2013 @ 12:28 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).