The 110 - 240 metre wide asteroid 2013 QV1 will make a close pass (70.6 lunar distances, 0.1814 AU), travelling at 13.16 km/second, to the Earth-Moon system on the 26th July 2014 @ 20:56 UT ±00:02.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).