* Astronomy

Orbital elements:
2011 SP70                                                Earth MOID = 0.0542 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 327.81595              (2000.0)            P               Q
n   0.34684811     Peri.  293.46490     +0.18296034     -0.98143254
a   2.0062105      Node   145.83459     +0.93527106     +0.15570661
e   0.5339386      Incl.    5.88517     +0.30297451     +0.11200726
P   2.84           H   23.1           G   0.15           U   9

MPEC 2011 - S73

The 77 - 170 metre wide asteroid 2011 SP70 will make a close pass (55.2 lunar distances, 0.1418 AU), travelling at 12.40 km/second, to the Earth-Moon system on the 24th October, 2011 @ 03:11 UT ±05:19.

See more

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