Orbital elements:
2012 QE50 PHA, Earth MOID = 0.0450 AU
Epoch 2014 May 23.0 TT = JDT 2456800.5 MPC
M 241.07942 (2000.0) P Q
n 0.43195429 Peri. 224.76203 +0.52223661 -0.85133813
a 1.7331821 Node 194.00156 +0.82878487 +0.52045423
e 0.4406894 Incl. 11.90780 +0.20095908 +0.06596043
P 2.28 H 18.9 G 0.15 U 1
The 520 - 1200 metre wide asteroid 2012 QE50 will make a close pass (31.8 lunar distances, 0.0818 AU), travelling at 11.50 km/second, to the Earth-Moon system on the 9th October, 2012 @ 03:14 UT ±05:17.
Orbital elements:
2012 QE50 PHA, Earth MOID = 0.0458 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 342.20148 (2000.0) P Q
n 0.42624316 Peri. 224.42898 +0.52546284 -0.84931229
a 1.7486294 Node 194.12106 +0.82689147 +0.52378021
e 0.4452083 Incl. 11.96315 +0.20034794 +0.06574894
P 2.31 H 18.5 G 0.15 U 8