* Astronomy

Orbital elements:
2012 UF                                                  Earth MOID = 0.0168 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 346.38500              (2000.0)            P               Q
n   0.45510369     Peri.   16.97190     +0.77950666     -0.62488531
a   1.6738986      Node    21.88047     +0.56031952     +0.66459484
e   0.4006403      Incl.    6.69503     +0.28002035     +0.40967309
P   2.17           H   26.4           G   0.15           U   6

MPEC 2012 - U19

The 14 - 32 metre wide asteroid 2012 UF made a close pass (6.6 lunar distances, 0.0169 AU), travelling at 6.61 km/second, to the Earth-Moon system on the 17th October, 2012 @ 09:43 UT ±00:02. 

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).