The 12 - 28 metre wide asteroid 2015 GB1 will make a close pass (6.0 LD, 0.0155 AU) travelling at 7.70 km/second, to the Earth-Moon system on the 13th April 2015 @ 14:25 UT ±00:01.
Orbital elements:
2015 GB1 Earth MOID = 0.0003 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 22.73509 (2000.0) P Q
n 0.42106079 Peri. 200.34362 -0.66931102 +0.74272285
a 1.7629480 Node 27.65361 -0.67568921 -0.59748796
e 0.4409250 Incl. 2.42460 -0.30897710 -0.30227620
P 2.34 H 26.7 G 0.15 U 7