* Astronomy

Orbital elements:
2009 RY3                                                 Earth MOID = 0.0045 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 339.92705              (2000.0)            P               Q
n   0.91629513     Peri.   65.57542     -0.55602731     +0.82670899
a   1.0498143      Node   169.30789     -0.82487315     -0.56155863
e   0.4715823      Incl.   27.59485     +0.10206820     -0.03470095
P   1.08           H   24.7           G   0.15           U   8

MPEC 2009 - R59

The 31 - 69 metre wide asteroid 2009 RY3 made a close pass (1.9 Lunar Distances, 0.0049 AU), travelling at 19.97 km/s, to the Earth-Moon system on the 11th 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).