The 25 - 57 metre wide asteroid 2011 HN5 will make a close pass (58.2 lunar distances, 0.1496 AU), travelling at 10.79 km/second, to the Earth on the 1st April 2018 @ 15:38 UT ±08:07.
Orbital elements:
2011 HN5 Earth MOID = 0.0387 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 48.37160 (2000.0) P Q
n 1.12098220 Peri. 201.46158 +0.42568666 -0.90359696
a 0.9177764 Node 223.38317 +0.84004028 +0.41434622
e 0.2450811 Incl. 4.00667 +0.33633793 +0.10876460
P 0.88 H 25.0 G 0.15 U 9
