The 110 - 250 metre wide asteroid 2012 KN11 will make a close pass (60.0 LD, 0.1543 AU) travelling at 21.07 km/second, to the Earth-Moon system on the 2nd May 2015 @ 22:15 UT ±22:24.
Orbital elements:
2012 KN11 PHA, Earth MOID = 0.0207 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 3.34626 (2000.0) P Q
n 0.32093952 Peri. 238.00257 -0.75335779 -0.65082735
a 2.1127782 Node 261.21320 +0.63092830 -0.67493933
e 0.6582980 Incl. 5.47034 +0.18542255 -0.34767897
P 3.07 H 21.9 G 0.15 U 7