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Post Info TOPIC: Asteroid 2009 SC15
Blobrana


L

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RE: Asteroid 2009 SC15
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The 130 - 300 metre wide asteroid 2009 SC15 will make a close pass (31.7 lunar distances, 0.0815 AU), travelling at 4.83 km/second, to the Earth-Moon system on the 13th March, 2013 @ 20:35 UT ±00:01. 

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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


L

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Orbital elements:
2009 SC15                                                Earth MOID = 0.0557 AU
Epoch 2009 Sept. 6.0 TT = JDT 2455080.5                 MPC
M 201.20231              (2000.0)            P               Q
n   0.69287794     Peri.  333.90859     -0.88818406     -0.45948015
a   1.2648283      Node   178.72857     +0.43976066     -0.85171556
e   0.1801408      Incl.    6.88561     +0.13319027     -0.25190989
P   1.42           H   21.6           G   0.15
From 18 observations 2009 Sept. 19-20.

MPEC 2009 - S57

2009 SC15
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.35
Palermo Scale (cumulative) -4.28
Impact Probability (cumulative) 3.7e-07
Number of Potential Impacts 65
Vimpact 12.00 km/s
Vinfinity 4.46 km/s
H 21.7
Diameter 0.153 km
Mass 4.9e+09 kg
Energy 8.4e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
18 observations spanning 1.1093 days
(2009-Sep-19.2394 to 2009-Sep-20.34871)



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