The 140 - 310 metre wide asteroid 2011 KR12 will make a close pass (65.0 lunar distances, 0.1670 AU), travelling at 8.46 km/second, to the Earth-Moon system on the 18th June, 2013 @ 03:48 UT ±07:17.
The 140 - 310 metre wide asteroid 2011 KR12 will make a close pass (51.3 lunar distances, 0.1318 AU), travelling at 10.10 km/second, to the Earth-Moon system on the 19th June, 2012 @ 02:07 UT ±00:40.
Orbital elements:
2011 KR12 Earth MOID = 0.1231 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 357.83762 (2000.0) P Q
n 0.96918746 Peri. 0.65308 +0.92801828 -0.36942708
a 1.0112632 Node 21.22455 +0.34118969 +0.79109417
e 0.3859169 Incl. 7.62201 +0.14957162 +0.48753835
P 1.02 H 21.3 G 0.15 U 8
The 140 - 320 metre wide asteroid 2011 KR12 will make a close pass (48.3 lunar distances, 0.1242 AU), travelling at 12.07 km/second, to the Earth-Moon system on the 18th June, 2011 @ 14:43 UT ±01:08.