The 10 - 23 metre wide asteroid 2013 BM18 made a close pass (2.3 lunar distances, 0.0060 AU), travelling at 8.96 km/second, to the Earth-Moon system on the 14th January, 2013 @ 22:39 UT ±00:01.
Orbital elements:
2013 BM18 Earth MOID = 0.0065 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 322.96777 (2000.0) P Q
n 0.45597199 Peri. 325.65999 +0.12441619 -0.98390377
a 1.6717729 Node 116.89082 +0.93957742 +0.07527234
e 0.4376796 Incl. 8.26924 +0.31892770 +0.16207234
P 2.16 H 27.0 G 0.15 U 7