* Astronomy

Orbital elements:
2009 SR103                                               Earth MOID = 0.0520 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 278.41563              (2000.0)            P               Q
n   0.54586364     Peri.   59.35197     +0.50658216     -0.86219142
a   1.4827910      Node     0.21512     +0.71632430     +0.42043987
e   0.3610335      Incl.   10.40075     +0.47984791     +0.28258851
P   1.81           H   25.4           G   0.15           U   7

MPEC 2009 - S104

The 21 - 47 metre wide asteroid 2009 SR103 will make a close pass (20.5 Lunar Distances, 0.0527 AU), travelling at 9.04 km/s, to the Earth-Moon system on the 5th October, 2009.

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