The 110 - 250 metre wide asteroid 2004 KH17 will make a close pass (38.1 lunar distances, 0.0979 AU), travelling at 12.91 km/second, to the Earth-Moon system on the 3rd June, 2013 @ 20:53 UT ±00:01.
The 110 - 250 metre wide asteroid 2004 KH17 will make a close pass (32.8 lunar distances, 0.0842 AU), travelling at 12.99 km/second, to the Earth-Moon system on the 5th June, 2010 @ 08:01 UT.