The 23 - 51 metre wide asteroid 2014 SZ144 will make a close pass (3.9 lunar distances, 0.0100 AU), travelling at 13.15 km/second, to the Earth-Moon system on the 29th September 2014 @ 21:09 UT ±00:01.
Orbital elements:
2014 SZ144 Earth MOID = 0.0008 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 9.45808 (2000.0) P Q
n 0.27408098 Peri. 230.59947 +0.54287983 -0.83980125
a 2.3472001 Node 186.52420 +0.78072293 +0.50639751
e 0.6310666 Incl. 1.97627 +0.30944014 +0.19569217
P 3.60 H 25.3 G 0.15 U 7