The 78 - 170 metre wide asteroid 2009 XV1 made a close pass (30.1 lunar distances, 0.0773 AU), travelling at 21.72 km/second, to the Earth-Moon system on the 1st December, 2009.
Orbital elements: 2009 XV1 Earth MOID = 0.0694 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 36.95955 (2000.0) P Q n 0.43830745 Peri. 254.85468 +0.85652476 +0.39560011 a 1.7163933 Node 80.90471 -0.23967862 +0.87367188 e 0.6621042 Incl. 19.61394 -0.45707712 +0.28319252 P 2.25 H 22.7 G 0.15 U 9