The 10 - 23 metre wide asteroid 2015 JC1 made a close pass (3.5 LD, 0.0091 AU) travelling at 15.14 km/second, to the Earth-Moon system on the 8th May 2015 @ 17:52 UT ±00:04.
Orbital elements:
2015 JC1 Earth MOID = 0.0004 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 62.27210 (2000.0) P Q
n 0.59859094 Peri. 266.86633 -0.74595292 -0.66025097
a 1.3943847 Node 231.79436 +0.64663480 -0.68663178
e 0.5192079 Incl. 6.37926 +0.15942922 -0.30431144
P 1.65 H 27.1 G 0.15 U 7