The 250 - 570 metre wide asteroid 2013 JX28 will made a close pass (32.8 lunar distances, 0.0843 AU), travelling at 11.19 km/second, to the Earth-Moon system on the 29th April 2014 @ 21:21 UT ±00:01.
Orbital elements:
2013 JX28 = 2006 KZ39 Earth MOID = 0.0679 AU
Id. R. Haver
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 122.14320 (2000.0) P Q
n 2.11613848 Peri. 354.84565 +0.81974018 -0.56000840
a 0.6008600 Node 39.99374 +0.53192509 +0.66669286
e 0.5640458 Incl. 10.76720 +0.21232458 +0.49184472
P 0.47 H 20.1 G 0.15 U 4
Orbital elements:
2013 JX28 Earth MOID = 0.0679 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 122.18006 (2000.0) P Q
n 2.11537962 Peri. 354.83841 +0.81958373 -0.56026065
a 0.6010037 Node 40.01675 +0.53213066 +0.66669042
e 0.5636934 Incl. 10.75212 +0.21241345 +0.49156067
P 0.47 H 20.0 G 0.15 U 9