* Astronomy

Orbital elements:
2009 UN1                                                 Earth MOID = 0.0716 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  16.35554              (2000.0)            P               Q
n   0.25824427     Peri.   39.00456     +0.75423775     -0.65660074
a   2.4422058      Node     2.03731     +0.59559344     +0.68355342
e   0.5653996      Incl.    1.51805     +0.27639443     +0.31879490
P   3.82           H   25.2           G   0.15           U   7

MPEC 2009 - U31

Asteroid 2009 UN1
The 24 - 54 metre wide asteroid 2009 UN1 will make a close pass (28.6 Lunar Distances, 0.0735 AU), travelling at 6.37 km/s, to the Earth-Moon system on the 26th 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).