The 57 - 130 metre wide asteroid 2008 NP3 will make a close pass (76.7 lunar distances, 0.1971 AU), travelling at 6.32 km/second, to the Earth-Moon system on the 2nd July, 2013 @ 04:23 UT ±00:01.
The 57 m - 130 metre wide asteroid 2008 NP3 will make a close pass (61.2 lunar distances, 0.1572 AU), travelling at 6.08 km/second, to the Earth-Moon system on the 12th July, 2012 @ 02:32 UT ±00:01.
The 57 - 130 metre wide asteroid 2008 NP3 will make a close pass (43.9 lunar distances, 0.1128 AU), travelling at 6.75 km/second, to the Earth-Moon system on the 18th July, 2011 @ 23:43 UT ±00:01.
Update: The 57 - 130 metre wide asteroid 2008 NP3 will make a close pass (26.8 lunar distances, 0.0687 AU), travelling at 7.92 km/second, to the Earth-Moon system on the 19th July, 2010 @ 13:33 UT.
The 57 - 130 metre wide asteroid 2008 NP3 will make a close pass (11.6 Lunar Distances, 0.0297 AU), travelling at 9.14 km/s, to the Earth-Moon system on the 18th July, 2009.