The 210 - 470 metre wide asteroid 2005 AV27 will make a close pass (55.4 LD, 0.1424 AU) travelling at 20.07 km/second, to the Earth-Moon system on the 3rd July 2015 @ 02:36 UT ±04:04.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).