* Astronomy

Orbital elements:
2009 UE                                                  Earth MOID = 0.0063 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  23.94860              (2000.0)            P               Q
n   0.36864187     Peri.    9.07708     +0.76440383     -0.64401057
a   1.9263400      Node    31.08167     +0.58775182     +0.67653781
e   0.4904590      Incl.    3.39954     +0.26501808     +0.35713720
P   2.67           H   25.1           G   0.15           U   6

MPEC 2009 - U11

The 25 - 56 metre wide asteroid 2009 UE will make a close pass (2.5 Lunar Distances, 0.0065 AU), travelling at 7.25 km/s, to the Earth-Moon system on the 19th 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).

2009 UE Earth Impact Risk Summary
Torino Scale (maximum) 0 Palermo Scale (maximum) -7.63 Palermo Scale (cumulative) -6.41 Impact Probability (cumulative) 8.0e-07 Number of Potential Impacts 136	Vimpact 13.42 km/s Vinfinity 7.48 km/s H 25.4 Diameter 0.028 km Mass 3.5e+07 kg Energy 7.3e-01 MT all above are mean values weighted by impact probability
Analysis based on 13 observations spanning .15419 days (2009-Oct-16.41137 to 2009-Oct-16.56556)