Update: The 97 - 220 metre wide asteroid 2012 YN6 will make a close pass (20.9 lunar distances, 0.0536 AU), travelling at 6.91 km/second, to the Earth-Moon system on the 1st February, 2013 @ 11:57 UT ±00:01.
Orbital elements:
2012 YN6 Earth MOID = 0.0528 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 317.05015 (2000.0) P Q
n 0.32890960 Peri. 207.52401 -0.75596827 -0.64831419
a 2.0785079 Node 291.76537 +0.61709091 -0.65962915
e 0.5082203 Incl. 5.59575 +0.21842799 -0.38023427
P 3.00 H 22.1 G 0.15 U 7
The 120 - 260 metre wide asteroid 2012 YN6 will make a close pass (20.9 lunar distances, 0.0538 AU), travelling at 6.90 km/second, to the Earth-Moon system on the 1st February, 2013 @ 12:19 UT ±01:03.