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Post Info TOPIC: Asteroid 2009 TM8


L

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RE: Asteroid 2009 TM8
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Asteroid 2009 TM8 is brightest at 22:55 UT, 16th October, 2011.

Magnitude: 17.7
Distance to Earth: 0.003 AU = 1.4 lunar distances
Relative velocity: 8.06 km/s


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Update:
The 5 - 11 metre wide asteroid 2009 TM8 will make a close pass (0.9 lunar distances, 0.0023 AU), travelling at 8.18 km/s, to the Earth system on the 17th October, 2011 @ 11:09 UT ±06:43.

See more

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

Google earth file: Asteroid 2009 TM8.kmz (18kb, kmz)



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Update:
The 5 - 11 metre wide asteroid 2009 TM8 will make a close pass (1.1 lunar distances, 0.0028 AU), travelling at 8.17 km/s, to the Earth system on the 17th October, 2011 @ 08:06 UT ±07:58.

See more

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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The 6 - 13 metre wide asteroid 2009 TM8 will make a close pass (0.0017 AU), travelling at 8.16 km/s, to the Earth system on the 17th October, 2011 @ 08:06 UT ±07:58.

See more

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



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2009 TM8
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -7.38
Palermo Scale (cumulative) -6.26
Impact Probability (cumulative) 6.6e-05
Number of Potential Impacts 107
Vimpact 13.69 km/s
Vinfinity 7.96 km/s
H 28.6
Diameter 0.007 km
Mass 3.8e+05 kg
Energy 8.5e-03 MT
all above are mean values
weighted by impact probability
Analysis based on
48 observations spanning 2.2516 days
(2009-Oct-15.2109 to 2009-Oct-17.46255)



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2009 TM8
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -7.13
Palermo Scale (cumulative) -6.12
Impact Probability (cumulative) 7.3e-05
Number of Potential Impacts 101
Vimpact 13.69 km/s
Vinfinity 7.96 km/s
H 28.3
Diameter 0.007 km
Mass 5.2e+05 kg
Energy 1.2e-02 MT
all above are mean values
weighted by impact probability
Analysis based on
36 observations spanning 1.9675 days
(2009-Oct-15.2109 to 2009-Oct-17.178442)



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2009 TM8
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.85
Palermo Scale (cumulative) -6.21
Impact Probability (cumulative) 6.0e-05
Number of Potential Impacts 48
Vimpact 13.68 km/s
Vinfinity 7.94 km/s
H 28.3
Diameter 0.007 km
Mass 5.4e+05 kg
Energy 1.2e-02 MT
all above are mean values
weighted by impact probability
Analysis based on
26 observations spanning .25807 days
(2009-Oct-15.2109 to 2009-Oct-15.46897)


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The 6 - 13 metre wide asteroid 2009 TM8 will make a close pass (0.9 Lunar Distances, 0.0023 AU), travelling at 8.12 km/s, to the Earth system on the 17th October, 2009.

See more

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


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Orbital elements:
2009 TM8 Earth MOID = 0.0010 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 23.65249 (2000.0) P Q
n 0.51051183 Peri. 218.06247 +0.43571062 -0.89995398
a 1.5504776 Node 206.11767 +0.83418856 +0.41020358
e 0.4002170 Incl. 2.01296 +0.33806168 +0.14770194
P 1.93 H 28.3 G 0.15 U 7

MPEC 2009 - T65


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