The 6 - 14 metre wide asteroid 2010 JW34 will make a close pass (30.3 lunar distances, 0.0778 AU), travelling at 3.12 km/second, to the Earth-Moon system on the 28th August, 2011 @ 06:01 UT ±00:01.
Orbital elements: 2010 JW34 Earth MOID = 0.0082 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 203.49090 (2000.0) P Q n 1.01112574 Peri. 44.59407 -0.09572221 -0.99493696 a 0.9831036 Node 50.92324 +0.90189947 -0.09970640 e 0.0548126 Incl. 2.26066 +0.42120614 -0.01261238 P 0.97 H 28.0 G 0.15 U 6
The 7 - 15metre wide asteroid 2010 JW34 made a close pass (2.7 lunar distances, 0.0069 AU), travelling at 1.74 km/second, to the Earth-Moon system on the 4th May, 2010.