The 24 - 53 metre wide asteroid 2010 JJ1 will make a close pass (14.2 lunar distances, 0.0366 AU), travelling at 7.10 km/second, to the Earth-Moon system on the 11th May, 2010. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Orbital elements: 2010 JJ1 Earth MOID = 0.0358 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 20.73561 (2000.0) P Q n 0.26455484 Peri. 344.22330 -0.72540575 +0.68784901 a 2.4032129 Node 239.26553 -0.62827080 -0.67679868 e 0.5658349 Incl. 1.70002 -0.28118020 -0.26231143 P 3.73 H 25.3 G 0.15 U 8