The 320 - 710 metre wide asteroid 2011 JR13 will make a close pass (19.7 lunar distances, 0.0506 AU), travelling at 27.19 km/second, to the Earth-Moon system on the 21st May 2014 @ 00:41 UT ±00:01.
Orbital elements:
2011 JR13 PHA, Earth MOID = 0.0459 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 155.76388 (2000.0) P Q
n 0.66548247 Peri. 129.45543 +0.93882496 -0.03351377
a 1.2993066 Node 235.19915 -0.01684300 +0.98959497
e 0.7258741 Incl. 24.67178 +0.34398258 +0.13992367
P 1.48 H 19.6 G 0.15 U 3
Orbital elements:
2011 JR13 PHA, Earth MOID = 0.0460 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 251.17748 (2000.0) P Q
n 0.65676913 Peri. 129.40622 +0.93778159 -0.03088346
a 1.3107732 Node 235.14827 -0.01894123 +0.99000360
e 0.7298203 Incl. 24.92567 +0.34670870 +0.13761935
P 1.50 H 19.5 G 0.15 U 9