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Post Info TOPIC: Asteroid 2009 UF2
Blobrana


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RE: Asteroid 2009 UF2
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Asteroid 2009 UF2 has just passed the Earth.
Object (and name)         Date of encounter (TT)        Distance            Orbit arc               
                           JD          Calendar            (AU)     
         2009 UF2          2455151.66  2009 Nov. 16.16   0.06264    1-opposition, arc =   9 days


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Blobrana


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Update:
The 32 - 72 metre wide asteroid 2009 UF2 will make a close pass (24.3 Lunar Distances, 0.0625 AU), travelling at 7.32 km/s, to the Earth-Moon system on the 16th November, 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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Blobrana


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2009 UF2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -8.37
Palermo Scale (cumulative) -8.10
Impact Probability (cumulative) 4.1e-09
Number of Potential Impacts 2
Vimpact 16.25 km/s
Vinfinity 11.82 km/s
H 24.4
Diameter 0.045 km
Mass 1.3e+08 kg
Energy 4.0e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
16 observations spanning 3.0489 days
(2009-Oct-18.22265 to 2009-Oct-21.27154)



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Blobrana


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2009 UF2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -8.39
Palermo Scale (cumulative) -7.88
Impact Probability (cumulative) 4.4e-09
Number of Potential Impacts 6
Vimpact 17.73 km/s
Vinfinity 13.77 km/s
H 24.2
Diameter 0.049 km
Mass 1.6e+08 kg
Energy 6.0e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
10 observations spanning 1.0327 days
(2009-Oct-18.22265 to 2009-Oct-19.25531)



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Blobrana


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Orbital elements:
2009 UF2                                                 Earth MOID = 0.0692 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  12.33477              (2000.0)            P               Q
n   0.25871596     Peri.  248.47013     +0.58431135     -0.81144357
a   2.4392364      Node   165.75687     +0.76120285     +0.54297054
e   0.5729200      Incl.    2.75228     +0.28133692     +0.21619972
P   3.81           H   24.1           G   0.15           U   7

MPEC 2009 - U39

The 37 - 83 metre wide asteroid 2009 UF2 will make a close pass (27.7 Lunar Distances, 0.0711 AU), travelling at 6.58 km/s, to the Earth-Moon system on the 17th November, 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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