The 38 - 85 metre wide asteroid 2014 QD365 made a close pass (57.8 lunar distances, 0.1486 AU), travelling at 4.91 km/second, to the Earth-Moon system on the 30th August 2014 @ 11:30 UT ±00:17.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).