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Post Info TOPIC: Asteroid 2009 TT
Blobrana


L

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RE: Asteroid 2009 TT
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The 26 - 59 metre wide asteroid 2009 TT will make a close pass (11.8 Lunar Distances, 0.0303 AU), travelling at 10.39 km/s, to the Earth-Moon system on the 15th 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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Orbital elements:
2009 TT                                                  Earth MOID = 0.0289 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  17.73872              (2000.0)            P               Q
n   0.28059228     Peri.  203.93217     +0.72437561     -0.68609295
a   2.3107462      Node   199.87858     +0.66021994     +0.71856368
e   0.5677030      Incl.   11.45026     +0.19846814     +0.11376603
P   3.51           H   25.0           G   0.15           U   9

MPEC 2009 - T33

2009 TT
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.88
Palermo Scale (cumulative) -6.73
Impact Probability (cumulative) 1.6e-07
Number of Potential Impacts 17
Vimpact 16.47 km/s
Vinfinity 12.13 km/s
H 25.0
Diameter 0.035 km
Mass 5.6e+07 kg
Energy 1.8e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
13 observations spanning .21848 days
(2009-Oct-10.16647 to 2009-Oct-10.38495)



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