The 320 - 720 metre wide asteroid 2011 KW15 will make a close pass (39.5 lunar distances, 0.1016 AU), travelling at 19.88 km/second, to the Earth-Moon system on the 14th January, 2013 @ 16:45 UT ±00:01.
Orbital elements:
2011 KW15 PHA, Earth MOID = 0.0442 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 159.77130 (2000.0) P Q
n 0.77910107 Peri. 97.44907 +0.85323197 -0.34590285
a 1.1696974 Node 283.43644 +0.15103479 +0.88021674
e 0.4937787 Incl. 23.65948 +0.49918303 +0.32491493
P 1.27 H 19.5 G 0.15 U 3
The 330 - 740 metre wide asteroid 2011 KW15 will make a close pass (41.9 lunar distances, 0.1076 AU), travelling at 21.61 km/second, to the Earth-Moon system on the 26th June, 2011 @ 14:06 UT ±08:05.
Orbital elements:
2011 KW15 PHA, Earth MOID = 0.0442 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 3.76319 (2000.0) P Q
n 0.78090710 Peri. 97.26007 +0.85464041 -0.34538224
a 1.1678932 Node 283.56861 +0.15114868 +0.87982749
e 0.4908202 Incl. 23.50429 +0.49673318 +0.32651907
P 1.26 H 19.5 G 0.15 U 8