Orbital elements:
2010 NK1 Earth MOID = 0.0109 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 123.55398 (2000.0) P Q
n 0.96470249 Peri. 262.74272 -0.96750509 +0.00397522
a 1.0143950 Node 277.24795 +0.10450513 -0.90419285
e 0.1837042 Incl. 14.76510 -0.23024460 -0.42710595
P 1.02 H 22.4 G 0.15 U 3
The 87 - 200 metre wide asteroid 2010 NK1 will make a close pass (61.2 lunar distances, 0.1573 AU), travelling at 12.57 km/second, to the Earth-Moon system on the 7th July, 2011 @ 22:11 UT ±00:30.
The 95 - 210 metre wide asteroid 2010 NK1 made a close pass (11.1 lunar distances, 0.0285 AU), travelling at 9.79 km/second, to the Earth-Moon system on the 1st July, 2010 @ 19:58 UT.
Orbital elements: 2010 NK1 Earth MOID = 0.0107 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 97.43287 (2000.0) P Q n 0.96440992 Peri. 262.74060 -0.96714099 +0.00427392 a 1.0146002 Node 277.26446 +0.10487999 -0.90411184 e 0.1846560 Incl. 14.84836 -0.23159988 -0.42727452 P 1.02 H 22.2 G 0.15 U 7