The 290 - 660 metre wide asteroid 2006 EE1 will make a close pass (53.6 lunar distances, 0.1379 AU), travelling at 18.96 km/second, to the Earth-Moon system on the 1st September, 2013 @ 09:10 UT ±00:01.
The 290 - 660 metre wide asteroid 2006 EE1 will make a close pass (49.6 lunar distances, 0.1275 AU), travelling at 19.11 km/second, to the Earth-Moon system on the 18th February, 2010. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).