The 280 - 620 metre wide asteroid 1999 JV6 will make a close pass (58.2 lunar distances, 0.1495 AU), travelling at 6.48 km/second, to the Earth-Moon system on the 11th January 2014 @ 16:20 UT ±00:01.
The 400 metre wide asteroid 1999 JV6 will make a close pass (0.02628 AU), to the Earth-Moon system on the 25th September, 2010. The asteroid was discovered by LINEAR (Lincoln Laboratory ETS, New Mexico) on the 13th May, 1999. The asteroid is an Earth coorbital object, or quasi-satellite.
Orbital elements: 1999 JV6 PHA 0.028 Epoch 1999 May 2.0 TT = JDT 2451300.5 Williams M 252.44806 (2000.0) P Q n 0.97261316 Peri. 235.62999 +0.99697783 -0.00804659 a 1.0088872 Node 124.71332 +0.03445069 +0.93726805 e 0.3170071 Incl. 5.39374 -0.06963012 +0.34851665 P 1.01 H 19.6 G 0.15 From 39 observations 1999 May 13-15.