The 130 - 300 metre wide asteroid 2009 XZ1 will make a close pass (19.8 lunar distances, 0.0508 AU), travelling at 15.28 km/second, to the Earth-Moon system on the 30th December, 2013 @ 20:29 UT ±00:01.
Orbital elements:
2009 XZ1 PHA, Earth MOID = 0.0421 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 70.71584 (2000.0) P Q
n 1.24563217 Peri. 152.91942 -0.56897475 +0.81022430
a 0.8554793 Node 82.08249 -0.77788749 -0.47475860
e 0.5339185 Incl. 8.16836 -0.26675606 -0.34371625
P 0.79 H 21.5 G 0.15 U 5
The 120 - 280 metre wide asteroid 2009 XZ1 will make a close pass (53.8 lunar distances, 0.1382 AU), travelling at 16.87 km/second, to the Earth-Moon system on the 5th October, 2012 @ 14:06 UT ±00:19.
Orbital elements: 2009 XZ1 PHA, Earth MOID = 0.0420 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 265.69672 (2000.0) P Q n 1.24291611 Peri. 152.71543 -0.57189018 +0.80803173 a 0.8567251 Node 82.07642 -0.77628865 -0.47730910 e 0.5351958 Incl. 8.21445 -0.26517457 -0.34534149 P 0.79 H 21.5 G 0.15 U 9