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Post Info TOPIC: Asteroid 2009 XF2
Blobrana


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RE: Asteroid 2009 XF2
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Orbital elements:
2009 XF2                                                 Earth MOID = 0.0655 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 234.29808              (2000.0)            P               Q
n   0.67579157     Peri.  113.35079     -0.90062931     +0.36092706
a   1.2860589      Node    88.53263     -0.43103809     -0.81291678
e   0.2470330      Incl.   14.01351     +0.05543466     -0.45705357
P   1.46           H   20.0           G   0.15           U   2

MPEC 2012 - U96



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Blobrana


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Removed from Earth Impact Risk List.

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Blobrana


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Posts: 131433
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2009 XF2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -5.97
Palermo Scale (cumulative) -5.12
Impact Probability (cumulative) 1.9e-08
Number of Potential Impacts 37
Vimpact 13.74 km/s
Vinfinity 8.04 km/s
H 19.6
Diameter 0.400 km
Mass 8.7e+10 kg
Energy 1.9e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
10 observations spanning .65811 days
(2009-Dec-12.26504 to 2009-Dec-12.92315)



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Blobrana


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Posts: 131433
Date:
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2009 XF2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.01
Palermo Scale (cumulative) -5.37
Impact Probability (cumulative) 4.1e-09
Number of Potential Impacts 14
Vimpact 14.78 km/s
Vinfinity 9.71 km/s
H 19.1
Diameter 0.519 km
Mass 1.9e+11 kg
Energy 5.0e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
8 observations spanning .64972 days
(2009-Dec-12.26504 to 2009-Dec-12.91476)



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Blobrana


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Posts: 131433
Date:
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Orbital elements:
2009 XF2                                                 Earth MOID = 0.0818 AU
Epoch 2009 Nov. 25.0 TT = JDT 2455160.5                 MPC
M 336.78358              (2000.0)            P               Q
n   0.25319846     Peri.   84.07142     -0.95879795     -0.14186108
a   2.4745449      Node    87.58889     +0.03442074     -0.91802466
e   0.6899260      Incl.   14.26175     +0.28199593     -0.37027849
P   3.89           H   19.9           G   0.15
From 8 observations 2009 Dec. 12.

MPEC 2009 - X46

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