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Post Info TOPIC: Asteroid 2011 AD3
Blobrana


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RE: Asteroid 2011 AD3
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2011 AD3
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -8.78
Palermo Scale (cumulative) -7.72
Impact Probability (cumulative) 1.2e-07
Number of Potential Impacts 121
Vimpact 16.11 km/s
Vinfinity 11.56 km/s
H 26.6
Diameter 0.016 km
Mass 5.8e+06 kg
Energy 1.8e-01 MT
all above are mean values
weighted by impact probability
Analysis based on
12 observations spanning .08044 days
(2011-Jan-04.2298 to 2011-Jan-04.31024)



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Blobrana


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The 13 - 29 metre wide asteroid 2011 AD3 made a close pass (9.4 lunar distances, 0.0243 AU), travelling at 12.98 km/second, to the Earth-Moon system on the 29th December, 2010 @ 12:53 UT ±21:36.

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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:
2011 AD3                                                 Earth MOID = 0.0106 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M  14.44273              (2000.0)            P               Q
n   0.20908893     Peri.  118.34544     +0.55162470     -0.83376955
a   2.8113529      Node   298.15755     +0.75575504     +0.51139462
e   0.6794560      Incl.    1.50826     +0.35290864     +0.20809583
P   4.71           H   26.5           G   0.15           U   9

MPEC 2011 - A16

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