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Post Info TOPIC: Asteroid 2009 LW2


L

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RE: Asteroid 2009 LW2
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2009 LW2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.09
Palermo Scale (cumulative) -4.06
Impact Probability (cumulative) 7.4e-08
Number of Potential Impacts 6
Vimpact 23.21 km/s
Vinfinity 20.36 km/s
H 19.7
Diameter 0.390 km
Mass 8.0e+10 kg
Energy 5.1e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
10 observations spanning 1.8984 days
(2009-Jun-15.44034 to 2009-Jun-17.33874)



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L

Posts: 131433
Date:
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2009 LW2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -5.20
Palermo Scale (cumulative) -4.60
Impact Probability (cumulative) 3.4e-08
Number of Potential Impacts 36
Vimpact 20.64 km/s
Vinfinity 17.37 km/s
H 19.9
Diameter 0.350 km
Mass 5.9e+10 kg
Energy 3.0e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
7 observations spanning .96404 days
(2009-Jun-15.44034 to 2009-Jun-16.40438)

Source

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L

Posts: 131433
Date:
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Orbital elements:
2009 LW2 Earth MOID = 0.1898 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 150.59663 (2000.0) P Q
n 0.86467657 Peri. 15.01516 -0.38813574 -0.73348660
a 1.0911897 Node 100.65274 +0.77620289 -0.58658238
e 0.2782535 Incl. 34.59493 +0.49684979 +0.34339266
P 1.14 H 19.9 G 0.15 U 9

MPEC 2009 - M04


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