The 34 - 77 metre wide asteroid 2014 OR338 made a close pass (66.9 lunar distances, 0.1718 AU), travelling at 5.51 km/second, to the Earth-Moon system on the 1st August 2014 @ 04:39 UT ±00:33.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).