The 23 - 52 metre wide asteroid 2009 BK2 will make a close pass (24.1 LD, 0.0620 AU) travelling at 5.63 km/second, to the Earth-Moon system on the 6th September 2015 @ 10:07 UT ±07:37.
The 23 - 52 metre wide asteroid 2009 BK2 will make a close pass (64.1 lunar distances, 0.1647 AU), travelling at 4.17 km/second, to the Earth-Moon system on the 1st October 2014 @ 19:04 UT ±1 day 13:45.
The 23 - 52 metre wide asteroid 2009 BK2 will make a close pass (59.8 lunar distances, 0.1538 AU), travelling at 5.14 km/second, to the Earth-Moon system on the 2nd August 2014 @ 10:25 UT ±1 day 20:38.
The 23 - 52 metre wide asteroid 2009 BK2 made a close pass (73.1 Lunar Distances, 0.1880 AU), travelling at 5.82 km/s, to the Earth-Moon system on the 17th April, 2010.
The 23 - 52 metre wide asteroid 2009 BK2 will make a close pass (71.8 Lunar Distances, 0.1846 AU), travelling at 5.37 km/s, to the Earth-Moon system on the 15th January, 2010.
The 25 - 50 metre wide asteroid 2009 BK2 made a close pass (39.2 Lunar Distances, 0.1006 AU), travelling at 4km/s, to the Earth-Moon system on the 15th February 2009.
Orbital elements: 2009 BK2 Earth MOID = 0.0256 AU Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC M 202.83674 (2000.0) P Q n 0.96814954 Peri. 121.45607 -0.37155025 +0.92706282 a 1.0119858 Node 126.65038 -0.87156949 -0.32972103 e 0.2127443 Incl. 3.57660 -0.31987035 -0.17843365 P 1.02 H 25.2 G 0.15 U 8