The 60 - 130 metre wide asteroid 2012 TG53 made a close pass (11.7 lunar distances, 0.0300 AU), travelling at 10.87 km/second, to the Earth-Moon system on the 9th October, 2012 @ 10:37 UT ±00:01.
Orbital elements:
2012 TG53 Earth MOID = 0.0051 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 5.35624 (2000.0) P Q
n 0.30667682 Peri. 323.61451 +0.94402123 +0.32959657
a 2.1777871 Node 17.15694 -0.29056597 +0.85056260
e 0.5627787 Incl. 2.67842 -0.15619007 +0.40976745
P 3.21 H 23.2 G 0.15 U 7