Orbital elements:
2009 BW2 Earth MOID = 0.0163 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 128.89959 (2000.0) P Q
n 0.95554751 Peri. 194.93417 -0.76973092 +0.63832504
a 1.0208639 Node 24.73763 -0.58385218 -0.69923119
e 0.1398627 Incl. 1.01972 -0.25812972 -0.32189577
P 1.03 H 25.1 G 0.15 U 2
The 25 - 56 metre wide asteroid 2009 BW2 will make a close pass (40.1 lunar distances, 0.1261 AU), travelling at 3.32 km/second, to the Earth-Moon system on the 17th September, 2011 @ 14:59 UT ±00:02.
The 25 - 56 metre wide asteroid 2009 BW2 will make a close pass (44.5 lunar distances, 0.1144 AU), travelling at 3.76 km/second, to the Earth-Moon system on the 13th June, 2011 @ 18:16 UT ±00:07.
The 25 - 56 metre wide asteroid 2009 BW2 will make a close pass (65.6 Lunar Distances, 0.1686 AU), travelling at 4.40 km/s, to the Earth-Moon system on the 1st November, 2010 @ 05:44 UT.
The 25 - 56 metre wide asteroid 2009 BW2 will make a close pass (48.8 Lunar Distances, 0.1254 AU), travelling at 4.25 km/s, to the Earth-Moon system on the 16th April, 2010.
The 25 - 56 metre wide asteroid 2009 BW2 will make a close pass (56.6 Lunar Distances, 0.1455 AU), travelling at 3.88 km/s, to the Earth-Moon system on the 11th December, 2009.