The 6 - 13 metre wide asteroid 2010 NN made a close pass (1.4 lunar distances, 0.0035 AU), travelling at 7.83 km/second, to the Earth-Moon system on the 3rd July, 2010 @ 20:45 UT.
Orbital elements: 2010 NN Earth MOID = 0.0015 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 17.62953 (2000.0) P Q n 0.41571216 Peri. 331.26188 -0.27656820 +0.96022857 a 1.7780374 Node 282.66100 -0.87400608 -0.26792632 e 0.4468823 Incl. 2.25294 -0.39952898 -0.07859119 P 2.37 H 28.4 G 0.15 U 7