The 710 - 1600 metre wide asteroid 2004 SV55 will make a close pass (67.5 lunar distances, 0.1735 AU), travelling at 32.59 km/second, to the Earth-Moon system on the 19th September, 2011 @ 19:44 UT ±00:01.
Orbital elements: 2004 SV55 = 1983 SN Earth MOID = 0.0914 AU Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC M 305.09947 (2000.0) P Q n 0.42246409 Peri. 280.78582 -0.01460511 +0.98469940 a 1.7590419 Node 344.70276 -0.44259385 -0.16209358 e 0.6583553 Incl. 41.16210 -0.89660324 +0.06397476 P 2.33 H 18.1 G 0.15 U 3