The 14 - 32 metre wide asteroid 2009 WA52 will make a close pass (8.2 lunar distances, 0.0211 AU), travelling at 8.62 km/second, to the Earth-Moon system on the 5th December, 2009.
Orbital elements: 2009 WA52 Earth MOID = 0.0025 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 1.25060 (2000.0) P Q n 0.40970360 Peri. 214.35805 -0.30352418 -0.95235189 a 1.7953792 Node 253.32728 +0.88107460 -0.26854990 e 0.4744019 Incl. 1.79355 +0.36274043 -0.14459192 P 2.41 H 26.3 G 0.15 U 7