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Post Info TOPIC: Asteroid 2009 SW19


L

Posts: 131433
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RE: Asteroid 2009 SW19
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2009 SW19
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.85
Palermo Scale (cumulative) -4.31
Impact Probability (cumulative) 3.0e-08
Number of Potential Impacts 28
Vimpact 36.82 km/s
Vinfinity 35.10 km/s
H 19.7
Diameter 0.386 km
Mass 7.8e+10 kg
Energy 1.3e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
30 observations spanning 2.2134 days
(2009-Sep-23.18426 to 2009-Sep-25.39767)



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L

Posts: 131433
Date:
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2009 SW19
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.82
Palermo Scale (cumulative) -4.29
Impact Probability (cumulative) 2.9e-08
Number of Potential Impacts 32
Vimpact 36.82 km/s
Vinfinity 35.09 km/s
H 19.7
Diameter 0.389 km
Mass 7.8e+10 kg
Energy 1.3e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
27 observations spanning 1.9384 days
(2009-Sep-23.18426 to 2009-Sep-25.12264)



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L

Posts: 131433
Date:
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2009 SW19
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.83
Palermo Scale (cumulative) -4.35
Impact Probability (cumulative) 1.5e-08
Number of Potential Impacts 36
Vimpact 36.92 km/s
Vinfinity 35.20 km/s
H 19.6
Diameter 0.400 km
Mass 8.8e+10 kg
Energy 1.4e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
18 observations spanning .42257 days
(2009-Sep-23.18426 to 2009-Sep-23.60683)



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L

Posts: 131433
Date:
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Orbital elements:
2009 SW19 PHA, Earth MOID = 0.0437 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 20.83787 (2000.0) P Q
n 0.58897340 Peri. 54.95923 -0.54680382 +0.83481398
a 1.4095233 Node 184.09171 -0.66160946 -0.38400769
e 0.4082930 Incl. 63.69159 +0.51310672 +0.39449171
P 1.67 H 19.8 G 0.15 U 9

MPEC 2009 - S75


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