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Post Info TOPIC: Asteroid 2009 UV18
Blobrana


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Posts: 131433
Date:
Asteroid 2004 CN97
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Asteroid 2009 UV18 = 2004 CN97

Orbital elements:
2009 UV18 = 2004 CN97                                    Earth MOID = 0.2246 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 357.41912              (2000.0)            P               Q
n   0.17403701     Peri.   62.68213     -0.85222073     -0.50273049
a   3.1771787      Node    86.81523     +0.41394299     -0.81723885
e   0.6325450      Incl.    8.34164     +0.31995472     -0.28174939
P   5.66           H   15.5           G   0.15           U   3

MPEC 2009 - U127

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Blobrana


L

Posts: 131433
Date:
RE: Asteroid 2009 UV18
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2009 UV18
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.47
Palermo Scale (cumulative) -4.07
Impact Probability (cumulative) 2.1e-09
Number of Potential Impacts 8
Vimpact 14.72 km/s
Vinfinity 9.61 km/s
H 16.1
Diameter 2.000 km
Mass 1.1e+13 kg
Energy 2.8e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
76 observations spanning 3.7490 days
(2009-Oct-22.39951 to 2009-Oct-26.14849)



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Blobrana


L

Posts: 131433
Date:
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2009 UV18
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.10
Palermo Scale (cumulative) -2.14
Impact Probability (cumulative) 2.2e-07
Number of Potential Impacts 90
Vimpact 15.06 km/s
Vinfinity 10.12 km/s
H 16.0
Diameter 2.117 km
Mass 1.3e+13 kg
Energy 3.6e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
36 observations spanning 2.0650 days
(2009-Oct-22.39951 to 2009-Oct-24.46451)



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Blobrana


L

Posts: 131433
Date:
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Ed ~ Just a note to highlight that this asteroid is 2 - 4 kilometres wide (H =   15.9), and is the largest such object to have been found for at least two years.

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Blobrana


L

Posts: 131433
Date:
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Orbital elements:
2009 UV18                                                Earth MOID = 0.0993 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 341.70183              (2000.0)            P               Q
n   0.49140319     Peri.   92.83754     -0.98693248     -0.08687507
a   1.5904160      Node    82.20519     +0.02369209     -0.91129483
e   0.4014469      Incl.    7.87283     +0.15938308     -0.40248535
P   2.01           H   15.9           G   0.15           U   9

MPEC 2009 - U74

2009 UV18
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.15
Palermo Scale (cumulative) -2.14
Impact Probability (cumulative) 2.2e-07
Number of Potential Impacts 101
Vimpact 15.02 km/s
Vinfinity 10.07 km/s
H 16.0
Diameter 2.102 km
Mass 1.3e+13 kg
Energy 3.5e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
32 observations spanning 2.0427 days
(2009-Oct-22.39951 to 2009-Oct-24.44216)



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