The 13 - 29 metre wide asteroid 2011 KX15 will make a close pass (14.9 lunar distances, 0.0384 AU), travelling at 4.68 km/second, to the Earth-Moon system on the 1st June, 2011 @ 20:06 UT ±01:02.
Orbital elements:
2011 KX15 Earth MOID = 0.0378 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 50.90566 (2000.0) P Q
n 0.54872329 Peri. 167.32138 -0.43568533 +0.89532134
a 1.4776348 Node 76.78800 -0.83390830 -0.36277472
e 0.2897755 Incl. 5.45912 -0.33878495 -0.25844572
P 1.80 H 26.5 G 0.15 U 7