The 290 - 650 metre wide asteroid 2008 MG1 will make a close pass (61.2 lunar distances, 0.1574 AU), travelling at 29.02 km/second, to the Earth-Moon system on the 24th July, 2013 @ 17:01 UT ±00:01.
The 290 - 640 metre wide asteroid 2008 MG1 will make a close pass (49.3 lunar distances, 0.1268 AU), travelling at 22.32 km/second, to the Earth-Moon system on the 5th June, 2012 @ 23:07 UT ±01:53.