The 37 - 82 metre wide asteroid 2012 SR56 will make a close pass (31.1 lunar distances, 0.08015 AU), travelling at 8.04 km/second, to the Earth on the 4th May 2018 @ 01:48 UT ±00:01.
Orbital elements:
2012 SR56 Earth MOID = 0.0036 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 44.45175 (2000.0) P Q
n 0.67233958 Peri. 284.72259 +0.25382197 +0.96725095
a 1.2904572 Node 359.98118 -0.87127504 +0.22863045
e 0.3560980 Incl. 2.30084 -0.42006453 +0.11024386
P 1.47 H 24.3 G 0.15 U 8