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Post Info TOPIC: Asteroid 2009 SK


L

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RE: Asteroid 2009 SK
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2009 SK
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.51
Palermo Scale (cumulative) -6.01
Impact Probability (cumulative) 1.8e-06
Number of Potential Impacts 50
Vimpact 14.43 km/s
Vinfinity 9.15 km/s
H 25.2
Diameter 0.031 km
Mass 4.1e+07 kg
Energy 1.0e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
15 observations spanning .17233 days
(2009-Sep-17.30113 to 2009-Sep-17.473459)



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L

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The 25 - 55 metre wide asteroid 2009 SK will make a close pass (19.5 Lunar Distances, 0.0501 AU), travelling at 7.15 km/s, to the Earth-Moon system on the 20th September, 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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Orbital elements:
2009 SK Earth MOID = 0.0474 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 336.67277 (2000.0) P Q
n 0.23279500 Peri. 23.27791 +0.99657167 -0.08262224
a 2.6170998 Node 341.45987 +0.07362383 +0.90933539
e 0.5986399 Incl. 0.77444 +0.03774172 +0.40777776
P 4.23 H 25.1 G 0.15 U 8

MPEC 2009 - S12


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