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Post Info TOPIC: Asteroid 2009 UY87
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Asteroid 2009 UY87
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Orbital elements:
2009 UY87                                           PHA, Earth MOID = 0.0417 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M   4.66001              (2000.0)            P               Q
n   0.30689563     Peri.  126.96216     -0.56983774     -0.82173836
a   2.1767518      Node   357.75460     +0.70154016     -0.48293471
e   0.6636984      Incl.    8.17093     +0.42793264     -0.30252294
P   3.21           H   19.1           G   0.15           U   9

MPEC 2009 - U121

2009 UY87
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -5.01
Palermo Scale (cumulative) -4.60
Impact Probability (cumulative) 1.8e-08
Number of Potential Impacts 22
Vimpact 19.48 km/s
Vinfinity 15.98 km/s
H 19.2
Diameter 0.488 km
Mass 1.6e+11 kg
Energy 7.1e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
18 observations spanning .29206 days
(2009-Oct-27.40843 to 2009-Oct-27.70049)



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