The 37 - 83 metre wide asteroid 2011 BF39 will make a close pass (15.2 lunar distances, 0.0391 AU), travelling at 10.85 km/second, to the Earth-Moon system on the 29th January, 2011 @ 08:30 UT ±00:01 .
Orbital elements: 2011 BF39 Earth MOID = 0.0086 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 7.49526 (2000.0) P Q n 0.24307369 Peri. 335.84076 -0.17377504 -0.97930215 a 2.5427914 Node 124.01137 +0.92268062 -0.19873985 e 0.6207435 Incl. 7.19194 +0.34418413 +0.03833746 P 4.05 H 24.4 G 0.15 U 7