The 200 - 460 metre wide asteroid 2014 PR62 made a close pass (51.4 lunar distances, 0.1321 AU), travelling at 6.48 km/second, to the Earth-Moon system on the 13th August 2014 @ 18:57 UT ±00:54.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).