The 130 - 280 metre wide asteroid 2011 BM45 will make a close pass (29.2 lunar distances, 0.0749 AU), travelling at 27.67 km/second, to the Earth-Moon system on the 1st June, 2013 @ 15:02 UT ±15:59.
Orbital elements: 2011 BM45 PHA, Earth MOID = 0.0080 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 28.94892 (2000.0) P Q n 0.35526523 Peri. 61.74391 +0.99275241 -0.08958837 a 1.9743959 Node 303.29125 +0.04490644 +0.89479822 e 0.8141206 Incl. 5.49910 +0.11147226 +0.43739006 P 2.77 H 21.8 G 0.15 U 9