The 40 - 89 metre wide asteroid 2014 QQ362 will make a close pass (23.1 lunar distances, 0.0593 AU), travelling at 15.87 km/second, to the Earth-Moon system on the 9th September 2014 @ 09:50 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).