The 39 - 87 metre wide asteroid 2010 FU made a close pass (15.0 lunar distances, 0.0386 AU), travelling at 8.47 km/second, to the Earth-Moon system on the 21st March, 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 FU Earth MOID = 0.0372 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 333.59563 (2000.0) P Q n 0.41236038 Peri. 161.57683 -0.97348858 -0.22794996 a 1.7876593 Node 5.35519 +0.17592651 -0.79908873 e 0.4289682 Incl. 11.71009 +0.14618432 -0.55632366 P 2.39 H 24.2 G 0.15 U 9