The 49 - 110 metre wide asteroid 2015 FZ284 will make a close pass (38.7 LD, 0.0993 AU) travelling at 14.82 km/second, to the Earth-Moon system on the 1st April 2015 @ 08:08 UT ±00:10.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).