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Post Info TOPIC: Asteroid 2009 MB9
Blobrana


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RE: Asteroid 2009 MB9
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2009 MB9
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.76
Palermo Scale (cumulative) -4.75
Impact Probability (cumulative) 7.5e-09
Number of Potential Impacts 2
Vimpact 15.27 km/s
Vinfinity 10.40 km/s
H 18.6
Diameter 0.650 km
Mass 3.7e+11 kg
Energy 1.0e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
18 observations spanning 5.9038 days
(2009-Jun-29.47208 to 2009-Jul-05.37589)



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Blobrana


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Posts: 131433
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2009 MB9
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.48
Palermo Scale (cumulative) -4.47
Impact Probability (cumulative) 1.5e-08
Number of Potential Impacts 2
Vimpact 15.21 km/s
Vinfinity 10.34 km/s
H 18.6
Diameter 0.640 km
Mass 3.6e+11 kg
Energy 9.8e+03 MT
all above are mean values
weighted by impact probability
Analysis based on
14 observations spanning 4.7795 days
(2009-Jun-29.47208 to 2009-Jul-04.251543)



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Blobrana


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2009 MB9
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.25
Palermo Scale (cumulative) -3.91
Impact Probability (cumulative) 1.2e-07
Number of Potential Impacts 7
Vimpact 15.11 km/s
Vinfinity 10.20 km/s
H 18.5
Diameter 0.668 km
Mass 4.1e+11 kg
Energy 1.1e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
11 observations spanning 1.9681 days
(2009-Jun-29.47208 to 2009-Jul-01.44019)



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Blobrana


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The 500 - 1100 metre wide asteroid 2009 MB9 will make a close pass (67.3 Lunar Distances, 0.1728 AU), travelling at 13.74 km/s, to the Earth-Moon system on the 6th August, 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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Blobrana


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Orbital elements:
2009 MB9                                                 Earth MOID = 0.0621 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 343.23948              (2000.0)            P               Q
n   0.22160474     Peri.  345.00245     +0.99238556     +0.12254614
a   2.7044774      Node     7.98931     -0.10183781     +0.87290386
e   0.7110879      Incl.    5.11159     -0.06928175     +0.47225130
P   4.45           H   18.6           G   0.15
From 10 observations 2009 June 29-30.

MPEC 2009 - M56

2009 MB9
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -5.89
Palermo Scale (cumulative) -5.33
Impact Probability (cumulative) 5.8e-09
Number of Potential Impacts 8
Vimpact 17.10 km/s
Vinfinity 12.78 km/s
H 18.6
Diameter 0.658 km
Mass 3.9e+11 kg
Energy 1.4e+04 MT
all above are mean values
weighted by impact probability
Analysis based on
10 observations spanning 1.1849 days
(2009-Jun-29.47208 to 2009-Jun-30.65694)

Source

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