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TOPIC: Asteroid 2009 CD2


L

Posts: 131433
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RE: Asteroid 2009 CD2
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The 18 - 39 metre wide asteroid 2009 CD2 made a close pass (17.3 Lunar Distances, 0.0445 AU) to the Earth-Moon system on the 10th February 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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L

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2009 CD2
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -9.30
Palermo Scale (cumulative) -8.84
Impact Probability (cumulative) 2.4e-08
Number of Potential Impacts 3
Vimpact 11.95 km/s
Vinfinity 4.30 km/s
H 27.1
Diameter 0.012 km
Mass 2.8e+06 kg
Energy 4.8e-02 MT
all above are mean values
weighted by impact probability
Analysis based on
14 observations spanning .15108 days
(2009-Feb-04.31926 to 2009-Feb-04.47034)


Source


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L

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Asteroid 2009 CD2 = 9C975EA (NEOCPO)
Orbital elements:
2009 CD2 Earth MOID = 0.0143 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 321.03814 (2000.0) P Q
n 0.39972482 Peri. 218.82249 -0.99420968 -0.09984575
a 1.8251363 Node 315.39677 +0.10717322 -0.89446991
e 0.4717774 Incl. 3.24297 +0.00781114 -0.43583759
P 2.47 H 26.0 G 0.15 U 9
MPEC 2009 -C44

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