The 14 - 32 metre wide asteroid 2012 BY61 made a close pass (25.6 lunar distances, 0.0657 AU), travelling at 14.07 km/second, to the Earth-Moon system on the 25th January, 2012 @ 22:09 UT ±00:23.
Orbital elements:
2012 BY61 Earth MOID = 0.0657 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 22.82730 (2000.0) P Q
n 0.45154748 Peri. 357.07486 -0.53442772 -0.77503896
a 1.6826757 Node 124.97945 +0.78358326 -0.60387106
e 0.3763146 Incl. 24.30148 +0.31683480 +0.18615678
P 2.18 H 26.4 G 0.15 U 8