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Post Info TOPIC: Asteroid 2009 WA105


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Asteroid 2009 WA105
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The 42 - 94 metre wide asteroid 2009 WA105 will make a close pass (73.7 lunar distances, 0.1894 AU), travelling at 12.10 km/second, to the Earth-Moon system on the 26th December 2013 @ 02:59 UT ±1 day 03:49.

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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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Removed from Earth Impact Risk List.

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Asteroid 2009 WA105 has just passed the Earth.

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2009 WA105
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -8.63
Palermo Scale (cumulative) -8.56
Impact Probability (cumulative) 1.7e-09
Number of Potential Impacts 2
Vimpact 14.60 km/s
Vinfinity 9.44 km/s
H 23.9
Diameter 0.057 km
Mass 2.6e+08 kg
Energy 6.5e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
20 observations spanning .23898 days
(2009-Nov-25.15421 to 2009-Nov-25.39319)



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Orbital elements:
2009 WA105 Earth MOID = 0.0433 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 9.09803 (2000.0) P Q
n 0.24881078 Peri. 7.54429 +0.41076449 -0.90396029
a 2.5035518 Node 58.27169 +0.82903871 +0.31606269
e 0.5891653 Incl. 8.03325 +0.37943030 +0.28802808
P 3.96 H 23.9 G 0.15 U 8

MPEC 2009 - W113


The 43 - 97 metre wide asteroid 2009 WA105 will make a close pass (17.9 lunar distances, 0.0459 AU), travelling at 8.29 km/second, to the Earth-Moon system on the 26th November, 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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