The 29 - 65 metre wide asteroid 2009 WN106 made a close pass (16.9 lunar distances, 0.0435 AU), travelling at 7.81 km/second, to the Earth-Moon system on the 26h November, 2009.
Orbital elements: 2009 WN106 Earth MOID = 0.0399 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 10.57259 (2000.0) P Q n 0.55110580 Peri. 24.64379 +0.06554934 -0.98241750 a 1.4733731 Node 62.01612 +0.87953737 -0.02585927 e 0.3159056 Incl. 11.41751 +0.47129321 +0.18489766 P 1.79 H 24.8 G 0.15 U 6