Orbital elements:
2012 BL11 Earth MOID = 0.0765 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 51.71508 (2000.0) P Q
n 0.71579470 Peri. 164.81207 -0.25256901 -0.95346691
a 1.2376858 Node 299.57365 +0.86684046 -0.14737029
e 0.1467241 Incl. 10.91274 +0.42987964 -0.26302633
P 1.38 H 25.8 G 0.15 U 8
The 22 - 49 metre wide asteroid 2012 BL11 made a close pass (36.3 lunar distances, 0.0934 AU), travelling at 5.85 km/second, to the Earth-Moon system on the 18th January, 2012 @ 20:53 UT ±10:28.