The 12 - 27 metre wide asteroid 2009 WX7 made a close pass (3.7 Lunar Distances, 0.0095 AU), travelling at 7.09 km/s, to the Earth-Moon system on the 16th November, 2009.
Orbital elements: 2009 WX7 Earth MOID = 0.0081 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 25.38946 (2000.0) P Q n 0.40553241 Peri. 336.57631 +0.80061024 -0.59755288 a 1.8076694 Node 60.19243 +0.55748309 +0.71581967 e 0.4569368 Incl. 2.91999 +0.21962659 +0.36129318 P 2.43 H 26.7 G 0.15 U 7