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Asteroid 2009 XO
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TOPIC: Asteroid 2009 XO
Blobrana
L
Posts: 131433
Date:
Dec 30 17:47 2009
RE: Asteroid 2009 XO
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-4.35
Palermo Scale (cumulative)
-4.07
Impact Probability (cumulative)
2.7e-07
Number of Potential Impacts
2
V
impact
16.48 km/s
V
infinity
12.14 km/s
H
20.2
Diameter
0.300 km
Mass
3.8e+10 kg
Energy
1.2e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
117 observations spanning 20.140 days
(2009-Dec-09.152 to 2009-Dec-29.29219)
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Blobrana
L
Posts: 131433
Date:
Dec 29 01:04 2009
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-4.40
Palermo Scale (cumulative)
-4.16
Impact Probability (cumulative)
2.2e-07
Number of Potential Impacts
2
V
impact
16.48 km/s
V
infinity
12.14 km/s
H
20.2
Diameter
0.300 km
Mass
3.8e+10 kg
Energy
1.2e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
114 observations spanning 19.022 days
(2009-Dec-09.152 to 2009-Dec-28.17429)
__________________
Blobrana
L
Posts: 131433
Date:
Dec 26 22:25 2009
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Removed from Earth Impact Risk List.
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Blobrana
L
Posts: 131433
Date:
Dec 25 23:36 2009
Permalink
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-4.29
Palermo Scale (cumulative)
-4.29
Impact Probability (cumulative)
8.4e-08
Number of Potential Impacts
1
V
impact
16.55 km/s
V
infinity
12.23 km/s
H
20.1
Diameter
0.320 km
Mass
4.4e+10 kg
Energy
1.4e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
100 observations spanning 16.104 days
(2009-Dec-09.152 to 2009-Dec-25.25605)
__________________
Blobrana
L
Posts: 131433
Date:
Dec 15 18:47 2009
Permalink
Printer Friendly
Removed from Earth Impact Risk List.
__________________
Blobrana
L
Posts: 131433
Date:
Dec 13 16:15 2009
Permalink
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-5.64
Palermo Scale (cumulative)
-5.34
Impact Probability (cumulative)
2.0e-08
Number of Potential Impacts
4
V
impact
16.45 km/s
V
infinity
12.10 km/s
H
20.1
Diameter
0.330 km
Mass
4.9e+10 kg
Energy
1.6e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
65 observations spanning 3.2007 days
(2009-Dec-09.152 to 2009-Dec-12.352664)
__________________
Blobrana
L
Posts: 131433
Date:
Dec 12 18:05 2009
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-4.40
Palermo Scale (cumulative)
-4.40
Impact Probability (cumulative)
2.3e-07
Number of Potential Impacts
5
V
impact
16.54 km/s
V
infinity
12.22 km/s
H
20.0
Diameter
0.330 km
Mass
5.1e+10 kg
Energy
1.7e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
62 observations spanning 3.0197 days
(2009-Dec-09.152 to 2009-Dec-12.17168)
__________________
Blobrana
L
Posts: 131433
Date:
Dec 11 17:06 2009
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-6.39
Palermo Scale (cumulative)
-6.01
Impact Probability (cumulative)
4.0e-09
Number of Potential Impacts
9
V
impact
16.43 km/s
V
infinity
12.07 km/s
H
19.9
Diameter
0.346 km
Mass
5.7e+10 kg
Energy
1.8e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
55 observations spanning 1.8693 days
(2009-Dec-09.152 to 2009-Dec-11.02125)
__________________
Blobrana
L
Posts: 131433
Date:
Dec 10 20:58 2009
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-3.21
Palermo Scale (cumulative)
-2.57
Impact Probability (cumulative)
6.7e-06
Number of Potential Impacts
347
V
impact
15.84 km/s
V
infinity
11.25 km/s
H
20.0
Diameter
0.345 km
Mass
5.6e+10 kg
Energy
1.7e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
48 observations spanning 1.0240 days
(2009-Dec-09.152 to 2009-Dec-10.17595)
__________________
Blobrana
L
Posts: 131433
Date:
Dec 10 07:47 2009
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2009 XO
Earth Impact Risk Summary
Torino Scale (maximum)
0
Palermo Scale (maximum)
-3.29
Palermo Scale (cumulative)
-2.75
Impact Probability (cumulative)
3.6e-06
Number of Potential Impacts
409
V
impact
15.78 km/s
V
infinity
11.13 km/s
H
20.0
Diameter
0.335 km
Mass
5.1e+10 kg
Energy
1.5e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
24 observations spanning .83423 days
(2009-Dec-09.152 to 2009-Dec-09.98623)
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