The 17 - 37 metre wide asteroid 2011 OB57 will make a close pass (60.4 lunar distances, 0.1553 AU), travelling at 4.95 km/second, to the Earth-Moon system on the 14th October, 2012 @ 16:00 UT ±08:15.
Orbital elements:
2011 OB57 Earth MOID = 0.0239 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 157.55381 (2000.0) P Q
n 1.06203074 Peri. 223.67847 -0.93751789 -0.33936519
a 0.9514325 Node 296.33820 +0.33810749 -0.83652146
e 0.2427909 Incl. 4.91323 +0.08211906 -0.43018962
P 0.93 H 26.0 G 0.15 U 6
