The 27 - 60 metre wide asteroid 2015 KP57 will make a close pass (10.4 LD, 0.0267 AU) travelling at 15.25 km/second, to the Earth-Moon system on the 28th May 2015 @ 04:36 UT ±00:01.
Orbital elements:
2015 KP57 Earth MOID = 0.0067 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 323.19925 (2000.0) P Q
n 1.03942001 Peri. 315.61301 +0.98176625 -0.18828151
a 0.9651808 Node 55.25689 +0.18206702 +0.89177610
e 0.4795670 Incl. 1.82538 +0.05465012 +0.41144315
P 0.95 H 25.0 G 0.15 U 9