The 110 - 250 metre wide asteroid 2009 BO58 will make a close pass (69.8 lunar distances, 0.1795 AU), travelling at 20.32 km/second, to the Earth-Moon system on the 24th January, 2012 @ 16:10 UT ±00:07.
Orbital elements: 2009 BO58 Earth MOID = 0.0915 AU Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC M 47.22521 (2000.0) P Q n 1.28784899 Peri. 207.72726 +0.89389712 +0.29745796 a 0.8366801 Node 130.75733 -0.28335192 +0.95464295 e 0.4499319 Incl. 26.27826 -0.34736095 -0.01325162 P 0.77 H 21.9 G 0.15 U 9