The 11 - 24 metre wide asteroid 2015 HQ171 will make a close pass (1.2 LD, 0.0030 AU) travelling at 9.24 km/second, to the Earth-Moon system on the 2nd May 2015 @ 03:51 UT ±00:01.
Orbital elements:
2015 HQ171 Earth MOID = 0.0030 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 358.49079 (2000.0) P Q
n 0.77630212 Peri. 250.95155 +0.38421754 +0.91709980
a 1.1725072 Node 42.14185 -0.77625433 +0.38324245
e 0.2662604 Incl. 9.11775 -0.49980606 +0.10978701
P 1.27 H 27.0 G 0.15 U 6