The 7 - 15 metre wide asteroid 2011 EN11 made a close pass (0.6 lunar distances, 0.0017 AU), travelling at 11.20 km/second, to the Earth-Moon system on the 3rd March, 2011 @ 08:45 UT ±00:01.
Orbital elements: 2011 EN11 Earth MOID = 0.0013 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 0.84487 (2000.0) P Q n 0.25350568 Peri. 325.37376 -0.58748668 -0.80906754 a 2.4725453 Node 160.58880 +0.75316825 -0.55408618 e 0.6289415 Incl. 2.82932 +0.29596788 -0.19595466 P 3.89 H 27.9 G 0.15 U 7