The 270 - 610 metre wide asteroid 2009 TK8 will make a close pass (48.6 Lunar Distances, 0.1249 AU), travelling at 12.66 km/s, to the Earth-Moon system on the 17th October, 2009. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Orbital elements: 2009 TK8 Earth MOID = 0.0747 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 189.54285 (2000.0) P Q n 1.09433452 Peri. 222.78688 -0.32959217 +0.92743401 a 0.9326155 Node 29.32402 -0.73900425 -0.13692492 e 0.3403344 Incl. 21.15355 -0.58757273 -0.34801971 P 0.90 H 19.9 G 0.15 U 8