The 37 - 82 metre wide asteroid 2015 DG198 will make a close pass (32.0 LD, 0.0822 AU) travelling at 6.76 km/second, to the Earth-Moon system on the 15th March 2015 @ 21:07 UT ±00:02.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).