The 46 - 100 metre wide asteroid 2010 HY103 will make a close pass (8.2 lunar distances, 0.0210 AU), travelling at 8.20 km/second, to the Earth-Moon system on the 10th May, 2010.
Orbital elements: 2010 HY103 Earth MOID = 0.0145 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 15.07012 (2000.0) P Q n 0.22485692 Peri. 34.63400 -0.53275746 +0.84626539 a 2.6783369 Node 203.17426 -0.77763386 -0.49052450 e 0.6170253 Incl. 0.30493 -0.33384887 -0.20789566 P 4.38 H 23.8 G 0.15 U 6