Orbital elements:
2011 KE PHA, Earth MOID = 0.0417 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 16.20247 (2000.0) P Q
n 0.29732667 Peri. 188.56804 +0.83380962 -0.55036017
a 2.2232082 Node 204.97410 +0.51236687 +0.80062355
e 0.9549084 Incl. 5.87110 +0.20552789 +0.23686624
P 3.31 H 19.7 G 0.15 U 9
The 310 - 700 metre wide asteroid 2011 KE will make a close pass (29.9 lunar distances, 0.0768 AU), travelling at 37.36 km/second, to the Earth-Moon system on the 29th May, 2011 @ 02:18 UT ±00:30.