The 29 - 65 metre wide asteroid 2007 FY20 will make a close pass (52.4 lunar distances, 0.1347 AU), travelling at 7.65 km/second, to the Earth-Moon system on the 16th June 2014 @ 16:49 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).