* Astronomy

Orbital elements:
2009 UV87                                                Earth MOID = 0.0646 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  16.78969              (2000.0)            P               Q
n   0.24504712     Peri.  179.74010     +0.83748846     -0.53706598
a   2.5291212      Node   213.37961     +0.50103131     +0.82835705
e   0.5816928      Incl.   10.56348     +0.21813001     +0.15932586
P   4.02           H   24.9           G   0.15           U   9

MPEC 2009 - U118

The 28 - 63 metre wide asteroid 2009 UV87 will make a close pass (25.7 Lunar Distances, 0.0661 AU), travelling at 8.94 km/s, to the Earth-Moon system on the 28th 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 UV87 Earth Impact Risk Summary
Torino Scale (maximum) 0 Palermo Scale (maximum) -7.99 Palermo Scale (cumulative) -7.36 Impact Probability (cumulative) 2.3e-08 Number of Potential Impacts 20	Vimpact 15.48 km/s Vinfinity 10.75 km/s H 24.7 Diameter 0.039 km Mass 7.8e+07 kg Energy 2.2e+00 MT all above are mean values weighted by impact probability
Analysis based on 16 observations spanning .17970 days (2009-Oct-27.18486 to 2009-Oct-27.36456)