* Astronomy

Orbital elements:
2009 SS                                                  Earth MOID = 0.0619 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 107.58048              (2000.0)            P               Q
n   1.13863014     Peri.  161.97811     -0.88799850     -0.45905878
a   0.9082685      Node   350.55920     +0.39914118     -0.74040113
e   0.2001041      Incl.    9.43951     +0.22835277     -0.49099003
P   0.87           H   26.7           G   0.15           U   9

MPEC 2009 - S29

The 12 - 27 metre wide asteroid 2009 SS will make a close pass (25.8 Lunar Distances, 0.0663 AU), travelling at 6.06 km/s, to the Earth-Moon system on the 19th September, 2009.

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