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Post Info TOPIC: Asteroid 2011 DE5


L

Posts: 131433
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Asteroid 2011 DE5
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2011 DE5
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -6.01
Palermo Scale (cumulative) -6.01
Impact Probability (cumulative) 5.4e-07
Number of Potential Impacts 2
Vimpact 18.35 km/s
Vinfinity 14.58 km/s
H 26.4
Diameter 0.018 km
Mass 7.5e+06 kg
Energy 3.0e-01 MT
all above are mean values
weighted by impact probability
Analysis based on
28 observations spanning 3.0090 days
(2011-Feb-25.33918 to 2011-Feb-28.34815)



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L

Posts: 131433
Date:
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2011 DE5
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.81
Palermo Scale (cumulative) -4.54
Impact Probability (cumulative) 3.0e-05
Number of Potential Impacts 19
Vimpact 18.25 km/s
Vinfinity 14.45 km/s
H 26.5
Diameter 0.017 km
Mass 6.9e+06 kg
Energy 2.7e-01 MT
all above are mean values
weighted by impact probability
Analysis based on
12 observations spanning .92819 days
(2011-Feb-25.33918 to 2011-Feb-26.26737)



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L

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The 13 - 30 metre wide asteroid 2011 DE5 will make a close pass (4.9 lunar distances, 0.0127 AU), travelling at 15.30 km/second, to the Earth-Moon system on the 1st March, 2011 @ 17:18 UT ±00:40.

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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:
2011 DE5 Earth MOID = 0.0000 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 343.77833 (2000.0) P Q
n 0.27373977 Peri. 56.21855 -0.79838925 +0.60214126
a 2.3491502 Node 160.80483 -0.55317451 -0.73299082
e 0.6493215 Incl. 0.12527 -0.23784989 -0.31646543
P 3.60 H 26.5 G 0.15 U 8

MPEC 2011 - D43


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