The 86 - 190 metre wide asteroid 2012 XK16 made a close pass (26.1 lunar distances, 0.0670 AU), travelling at 13.28 km/second, to the Earth-Moon system on the 3rd December, 2012 @ 10:32 UT ±00:03.
Orbital elements:
2012 XK16 Earth MOID = 0.0673 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 357.12953 (2000.0) P Q
n 0.77961773 Peri. 110.21208 +0.92125123 -0.06349990
a 1.1691805 Node 255.00711 -0.04650421 +0.96152676
e 0.1889532 Incl. 23.40786 +0.38617811 +0.26727149
P 1.26 H 22.4 G 0.15 U 7
