The 91 - 200 metre wide asteroid 2012 BK77 will make a close pass (59.4 lunar distances, 0.1527 AU), travelling at 4.93 km/second, to the Earth-Moon system on the 7th February, 2012 @ 11:05 UT ±11:37.
Orbital elements:
2012 BK77 Earth MOID = 0.1473 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 14.89858 (2000.0) P Q
n 0.34481005 Peri. 110.06045 -0.60594184 -0.79491981
a 2.0141081 Node 17.34288 +0.68611118 -0.54169985
e 0.4561928 Incl. 5.89397 +0.40259897 -0.27324672
P 2.86 H 22.2 G 0.15 U 9