Update: The 12 - 27 metre wide asteroid 2010 FW9 will make a close pass (3.03 lunar distances), travelling at 8.64 km/second, to the Earth-Moon system at 05:42 UTC, 28th March, 2010.
The 12 - 27 metre wide asteroid 2010 FW9 will make a close pass (3.0 lunar distances, 0.0077 AU), travelling at 8.64 km/second, to the Earth-Moon system on the 28th March, 2010.
Orbital elements: 2010 FW9 Earth MOID = 0.0022 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 305.01010 (2000.0) P Q n 0.48397146 Peri. 220.52683 -0.70952864 +0.70466023 a 1.6066559 Node 4.28476 -0.62877579 -0.63001355 e 0.4191634 Incl. 3.68564 -0.31813537 -0.32639989 P 2.04 H 26.7 G 0.15 U 9