The 210 - 470 metre wide asteroid 2014 AF51 will make a close pass (72.5 lunar distances, 0.1863 AU), travelling at 11.56 km/second, to the Earth-Moon system on the 1st June 2014 @ 15:40 UT ±00:01.
Orbital elements:
2014 AF51 PHA, Earth MOID = 0.0205 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5 MPC
M 287.29157 (2000.0) P Q
n 0.40430859 Peri. 329.85119 -0.88074587 +0.47170264
a 1.8113154 Node 238.35260 -0.42399739 -0.82510197
e 0.4393144 Incl. 2.84340 -0.21098087 -0.31097163
P 2.44 H 20.7 G 0.15 U 8