The 22 - 49 metre wide asteroid 2014 QZ265 will make a close pass (11.0 lunar distances, 0.0282 AU), travelling at 14.69 km/second, to the Earth-Moon system on the 27th August 2014 @ 11:06 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).