The 56 - 130 metre wide asteroid 2015 FA34 made a close pass (32.1 LD, 0.0825 AU) travelling at 18.01 km/second, to the Earth-Moon system on the 19th March 2015 @ 23:28 UT ±00:02.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).