The 90 - 200 metre wide asteroid 2011 AC3 will make a close pass (73.5 lunar distances, 0.1889 AU), travelling at 23.94 km/second, to the Earth-Moon system on the 4th January, 2013 @ 20:32 UT ±00:01.
The 89 - 200 metre wide asteroid 2011 AC3 will make a close pass (29.8 lunar distances, 0.0765 AU), travelling at 20.61 km/second, to the Earth-Moon system on the 9th January, 2012 @ 12:03 UT ±03:32. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
The 75 - 170 metre wide asteroid 2011 AC3 will make a close pass (26.1 lunar distances, 0.0671 AU), travelling at 17.79 km/second, to the Earth-Moon system on the 11th January, 2011 @ 16:50 UT ±00:51. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Orbital elements: 2011 AC3 Earth MOID = 0.0465 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 320.78879 (2000.0) P Q n 1.01061256 Peri. 307.98036 -0.54286946 +0.74830172 a 0.9834363 Node 284.81806 -0.59215644 -0.66296225 e 0.4953848 Incl. 23.22520 -0.59551952 -0.02292584 P 0.98 H 22.7 G 0.15 U 9