The 13 - 29 metre wide asteroid 2014 BS made a close pass (20.9 lunar distances, 0.0537 AU), travelling at 6.10 km/second, to the Earth-Moon system on the 21st January 2014 @ 13:18 UT ±02:05.
Orbital elements:
2014 BS Earth MOID = 0.0531 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5 MPC
M 300.94427 (2000.0) P Q
n 0.69714082 Peri. 188.11669 -0.60630231 -0.77800198
a 1.2596669 Node 299.36575 +0.73981318 -0.47588458
e 0.1770863 Incl. 10.89025 +0.29167442 -0.41017898
P 1.41 H 26.5 G 0.15 U 8