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Post Info TOPIC: Asteroid 2009 MG1


L

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RE: Asteroid 2009 MG1
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2009 MG1
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.58
Palermo Scale (cumulative) -6.58
Impact Probability (cumulative) 8.9e-08
Number of Potential Impacts 1
Vimpact 20.72 km/s
Vinfinity 17.47 km/s
H 24.1
Diameter 0.052 km
Mass 1.9e+08 kg
Energy 9.8e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
20 observations spanning 11.101 days
(2009-Jun-21.27223 to 2009-Jul-02.372809)



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2009 MG1
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.34
Palermo Scale (cumulative) -6.06
Impact Probability (cumulative) 2.6e-07
Number of Potential Impacts 3
Vimpact 20.77 km/s
Vinfinity 17.53 km/s
H 23.9
Diameter 0.056 km
Mass 2.3e+08 kg
Energy 1.2e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
15 observations spanning 2.9300 days
(2009-Jun-21.27223 to 2009-Jun-24.20218)



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The 47 - 100 metre wide asteroid 2009 MG1 made a close pass (16.5 Lunar Distances, 0.0424 AU), travelling at 18.21 km/s, to the Earth-Moon system on the 14th June, 2009.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).


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L

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2009 MG1
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.85
Palermo Scale (cumulative) -6.17
Impact Probability (cumulative) 1.7e-07
Number of Potential Impacts 15
Vimpact 20.64 km/s
Vinfinity 17.37 km/s
H 23.8
Diameter 0.060 km
Mass 2.9e+08 kg
Energy 1.5e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
13 observations spanning 1.9956 days
(2009-Jun-21.27223 to 2009-Jun-23.26784)



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Orbital elements:
2009 MG1 Earth MOID = 0.0157 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 15.23136 (2000.0) P Q
n 0.31050032 Peri. 102.10905 -0.97766417 +0.17065709
a 2.1598720 Node 87.80918 -0.20603507 -0.89347045
e 0.6535287 Incl. 7.05164 +0.04150085 -0.41543556
P 3.17 H 23.8 G 0.15 U 8

MPEC 2009 - M29


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