The 190 - 430 metre wide asteroid 2013 PV13 made a close pass (53.8 lunar distances, 0.1381 AU), travelling at 14.92 km/second, to the Earth-Moon system on the 23rd August, 2013 @ 09:41 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).