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Post Info TOPIC: Asteroid 2009 TJ
Blobrana


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RE: Asteroid 2009 TJ
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The 80 - 180 metre wide asteroid 2009 TJ will make a close pass (10.8 Lunar Distances, 0.0277 AU), travelling at 12.56 km/s, to the Earth-Moon system on the 13th October, 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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2009 TJ
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -7.24
Palermo Scale (cumulative) -6.50
Impact Probability (cumulative) 2.1e-08
Number of Potential Impacts 19
Vimpact 16.76 km/s
Vinfinity 12.51 km/s
H 22.5
Diameter 0.107 km
Mass 1.6e+09 kg
Energy 5.4e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
8 observations spanning .19272 days
(2009-Oct-07.54444 to 2009-Oct-07.73716)



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Blobrana


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Orbital elements:
2009 TJ                                                  Earth MOID = 0.0248 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  14.22386              (2000.0)            P               Q
n   0.30037165     Peri.   36.83810     +0.33227371     -0.94186826
a   2.2081577      Node    33.83625     +0.84263244     +0.27272321
e   0.6183110      Incl.    5.12943     +0.42375082     +0.19623003
P   3.28           H   22.7           G   0.15           U   7

MPEC 2009 - T23

The 80 - 180 metre wide asteroid was discovered  by R. McNaught (Siding Spring Survey).

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