The 51 - 110 metre wide asteroid 2015 CU13 will make a close pass (57.4 LD, 0.1475 AU) travelling at 23.56 km/second, to the Earth-Moon system on the 18th August 2015 @ 07:56 UT ±00:34.
The 52 - 120 metre wide asteroid 2015 CU13 made a close pass (29.7 LD, 0.0763 AU) travelling at 24.26 km/second, to the Earth-Moon system on the 15th February 2015 @ 13:57 UT ±00:01.
Orbital elements:
2015 CU13 Earth MOID = 0.0699 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 244.27689 (2000.0) P Q
n 0.84270592 Peri. 248.21454 -0.66226827 +0.61816733
a 1.1100742 Node 325.06547 -0.00215131 -0.56665591
e 0.1033423 Incl. 47.67925 -0.74926372 -0.54476621
P 1.17 H 23.6 G 0.15 U 8