The 68 - 150 metre wide asteroid 2009 UO3 will make a close pass (16.4 Lunar Distances, 0.0422 AU), travelling at 8.77 km/s, to the Earth-Moon system on the 23rd October, 2009.
Orbital elements: 2009 UO3 Earth MOID = 0.0310 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 20.28398 (2000.0) P Q n 0.26467445 Peri. 0.00812 +0.91388057 -0.40147888 a 2.4024888 Node 23.94472 +0.37247386 +0.77005201 e 0.5725845 Incl. 8.54547 +0.16151015 +0.49581711 P 3.72 H 23.0 G 0.15 U 7