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Post Info TOPIC: Asteroid 2009 XG8
Blobrana


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Asteroid 2009 XG8
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Orbital elements:
2009 XG8                                                 Earth MOID = 0.1688 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 333.62699              (2000.0)            P               Q
n   0.57773037     Peri.  151.28843     -0.73980064     +0.03862315
a   1.4277514      Node    50.92871     -0.65076211     -0.29464595
e   0.1898565      Incl.   59.90673     +0.17089088     -0.95482565
P   1.71           H   18.8           G   0.15           U   4

MPEC 2012 - G32



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Blobrana


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Removed from Earth Impact Risk List.

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Blobrana


L

Posts: 131433
Date:
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2009 XG8
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.00
Palermo Scale (cumulative) -3.91
Impact Probability (cumulative) 3.0e-08
Number of Potential Impacts 5
Vimpact 31.66 km/s
Vinfinity 29.63 km/s
H 19.0
Diameter 0.540 km
Mass 2.2e+11 kg
Energy 2.6e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
29 observations spanning 2.1075 days
(2009-Dec-15.11126 to 2009-Dec-17.21875)



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Blobrana


L

Posts: 131433
Date:
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2009 XG8
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.71
Palermo Scale (cumulative) -4.08
Impact Probability (cumulative) 2.2e-08
Number of Potential Impacts 17
Vimpact 32.38 km/s
Vinfinity 30.40 km/s
H 19.0
Diameter 0.530 km
Mass 2.0e+11 kg
Energy 2.5e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
19 observations spanning 1.1053 days
(2009-Dec-15.11126 to 2009-Dec-16.21657)



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Blobrana


L

Posts: 131433
Date:
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Orbital elements:
2009 XG8                                                 Earth MOID = 0.0879 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 234.57307              (2000.0)            P               Q
n   0.69388972     Peri.  155.30695     -0.74606790     +0.18058850
a   1.2635984      Node    52.95770     -0.66117199     -0.31504504
e   0.2857739      Incl.   53.41350     +0.07895752     -0.93173731
P   1.42           H   19.2           G   0.15           U   9

MPEC 2009 - Y05

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