The 16 - 35 metre wide asteroid 2015 LH2 made a close pass (5.2 LD, 0.0133 AU) travelling at 11.71 km/second, to the Earth-Moon system on the 9th June 2015 @ 10:55 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).