* Astronomy

Orbital elements:
2011 TA4                                                 Earth MOID = 0.1000 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 348.48048              (2000.0)            P               Q
n   0.18213939     Peri.   20.76087     +0.84749530     -0.52633635
a   3.0822425      Node    11.75285     +0.42691685     +0.59896430
e   0.6502500      Incl.   19.71554     +0.31542625     +0.60349964
P   5.41           H   21.0           G   0.15           U   7

MPEC 2011 - T24

The 190 - 410 metre wide asteroid 2011 TA4 will make a close pass (52.3 lunar distances, 0.1345 AU), travelling at 12.98 km/second, to the Earth-Moon system on the 16th October, 2011 @ 08:20 UT ±02:07.

See more

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