The 230 - 500 metre wide asteroid 2010 NA will make a close pass (41.6 lunar distances, 0.1070 AU), travelling at 20.17 km/second, to the Earth-Moon system on the 5th July, 2010 @ 16:42 UT.
Orbital elements: 2010 NA Earth MOID = 0.1014 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 346.21395 (2000.0) P Q n 0.43081793 Peri. 202.91282 +0.96213073 -0.27223263 a 1.7362284 Node 172.84156 +0.26419329 +0.91870325 e 0.6576104 Incl. 6.41507 +0.06712946 +0.28613586 P 2.29 H 20.4 G 0.15 U 8