The 500 - 1100 metre wide asteroid 2009 WD106 will make a close pass (75.0 lunar distances, 0.1927 AU), travelling at 25.20 km/second, to the Earth-Moon system on the 15th April, 2012 @ 23:58 UT ±00:01.
Orbital elements: 2009 WD106 Earth MOID = 0.1585 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 37.95428 (2000.0) P Q n 0.36282748 Peri. 16.66730 +0.65451838 +0.73573353 a 1.9468654 Node 294.58237 -0.71366651 +0.52522741 e 0.7781520 Incl. 11.03591 -0.24957122 +0.42758899 P 2.72 H 18.7 G 0.15 U 8