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Post Info TOPIC: Asteroid 2008 XC1


L

Posts: 131433
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RE: Asteroid 2008 XC1
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2008XC1 - impactor table
Object: 2008XC1   

date MJD sigma sigimp dist ± width stretch p_RE exp. en. PS
YYYY/MM (RE) (RE) RE/sig MT
--------------------------------------------------------------------------------------------------
2085/12/17.617 82941.617 2.935 0.000 0.29 ± 0.003 1.20E+05 1.22E-07 1.28E-06 -6.46

Based on 139 optical observations (of which 1 are rejected as outliers)
from 2008/12/03.369 to 2008/12/11.334.

Source

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L

Posts: 131433
Date:
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2008XC1 - impactor table
Object: 2008XC1   

date MJD sigma sigimp dist ± width stretch p_RE exp. en. PS
YYYY/MM (RE) (RE) RE/sig MT
--------------------------------------------------------------------------------------------------
2085/12/17.627 82941.627 0.819 0.000 1.23 ± 0.009 2.10E+05 3.69E-06 4.23E-05 -4.95
2088/12/17.424 84037.424 1.132 0.000 0.59 ± 0.009 2.37E+05 2.22E-06 2.56E-05 -5.18


Based on 97 optical observations (of which 1 are rejected as outliers)
from 2008/12/03.369 to 2008/12/09.981.

Source

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L

Posts: 131433
Date:
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2008XC1 - impactor table
Object: 2008XC1   

date MJD sigma sigimp dist ± width stretch p_RE exp. en. PS
YYYY/MM (RE) (RE) RE/sig MT
--------------------------------------------------------------------------------------------------
2085/12/17.615 82941.615 -0.035 0.000 0.40 ± 0.074 6.36E+05 1.71E-06 2.20E-05 -5.24
2088/12/17.423 84037.423 0.069 0.000 0.63 ± 0.072 7.20E+05 1.36E-06 1.75E-05 -5.36


Based on 50 optical observations (of which 0 are rejected as outliers)
from 2008/12/03.369 to 2008/12/07.153.

Source

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L

Posts: 131433
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The 102 metre wide asteroid 2008 XC1  is to pass  4.3 lunar distances from the Earth-moon system on the 13th December, 2008.

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2008 XC1
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -5.23
Palermo Scale (cumulative) -4.98
Impact Probability (cumulative) 3.2e-06
Number of Potential Impacts 2
Vimpact 16.13 km/s
Vinfinity 11.66 km/s
H 23.5
Diameter 0.067 km
Mass 4.1e+08 kg
Energy 1.3e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
50 observations spanning 3.7845 days
(200smile.gifec-03.36799 to 200smile.gifec-07.15247)

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