The 67 - 150 metre wide asteroid 2011 KG4 will make a close pass (59.9 lunar distances, 0.1539 AU), travelling at 13.04 km/second, to the Earth-Moon system on the 8th December, 2012 @ 16:24 UT ±14:56.
The 67 - 150 metre wide asteroid 2011 KG4 will make a close pass (47.3 lunar distances, 0.1216 AU), travelling at 11.50 km/second, to the Earth-Moon system on the 24th May, 2012 @ 04:43 UT ±03:20.
The 67 - 150 metre wide asteroid 2011 KG4 will make a close pass (35.8 lunar distances, 0.0920 AU), travelling at 12.51 km/second, to the Earth-Moon system on the 3rd December, 2011 @ 16:36 UT ±04:41.
Orbital elements:
2011 KG4 Earth MOID = 0.0638 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 258.44099 (2000.0) P Q
n 0.97181218 Peri. 7.32464 +0.30011851 -0.88614799
a 1.0094415 Node 65.75461 +0.85437660 +0.08509610
e 0.0854506 Incl. 22.78313 +0.42422814 +0.45552211
P 1.01 H 22.9 G 0.15 U 9
The 70 - 160 wide asteroid 2011 KG4 will make a close pass (33.3 lunar distances, 0.0856 AU), travelling at 11.43 km/second, to the Earth-Moon system on the 26th May, 2011 @ 20:47 UT ±05:33.