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1998 BT13
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -7.79
Palermo Scale (cumulative) -7.79
Impact Probability (cumulative) 6.0e-08
Number of Potential Impacts 1
Vimpact 13.74 km/s
Vinfinity 8.03 km/s
H 26.4
Diameter 0.020 km
Mass 8.1e+06 kg
Energy 1.8e-01 MT
all above are mean values
weighted by impact probability
Analysis based on
16 observations spanning 6.2260 days
(1998-Jan-24.40315 to 1998-Jan-30.62914)
Orbit diagram and elements available here.

These results were computed on May 20, 2004
 
1998 BT13
Earth Impact Table
Date Distance Width Sigma
Impact		 Sigma
LOV		 Stretch
LOV		 Impact
Probability		 Impact
Energy		 Palermo
Scale		 Torino
Scale
YYYY-MM-DD.DD (rEarth) (rEarth)     (rEarth)   (MT)    
2036-01-26.35  0.63   2.08e-01   0.000   1.61159   2.24e+06   6.0e-08   1.83e-01   -7.79   0