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TOPIC: Asteroid 2009 BE
Blobrana


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RE: Asteroid 2009 BE
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2009 BE
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.17
Palermo Scale (cumulative) -3.91
Impact Probability (cumulative) 6.3e-04
Number of Potential Impacts 21
Vimpact 15.98 km/s
Vinfinity 11.46 km/s
H 26.1
Diameter 0.020 km
Mass 1.1e+07 kg
Energy 3.5e-01 MT
all above are mean values
weighted by impact probability
Analysis based on
81 observations spanning 6.0351 days
(2009-Jan-16.36105 to 2009-Jan-22.39616)



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Blobrana


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2009BE - impactor table
Updated

Based on   86 optical observations (of which   5 are rejected as outliers)
from 2009/01/16.362 to 2009/01/22.397.
Source 

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2009BE - impactor table
Object: 2009BE    

     date         MJD       sigma sigimp   dist ±   width    stretch    p_RE    exp. en.    PS  
   YYYY/MM                                 (RE)       (RE)      RE/sig               MT           
--------------------------------------------------------------------------------------------------
2054/01/24.634  71291.634  -0.273 0.000    0.58 ±    0.000  9.21E+07  1.07E-08  4.37E-09  -8.41
2061/01/24.001  73848.001  -0.575 0.000    1.17 ±    0.005  2.51E+05  3.73E-06  1.51E-06  -5.93
2070/01/24.181  77135.181  -0.576 0.000    0.56 ±    0.000  1.14E+07  7.86E-08  3.20E-08  -7.68
2080/01/25.558  80788.558   2.706 0.000    0.41 ±    0.000  3.10E+06  9.00E-09  3.75E-09  -8.68
2083/01/25.094  81884.094   0.148 0.000    0.89 ±    0.004  5.78E+03  1.52E-04  6.21E-05  -4.48
2083/01/25.098  81884.098   0.260 0.000    0.75 ±    0.001  4.35E+03  2.09E-04  8.54E-05  -4.34
2086/01/24.902  82979.902  -0.480 0.000    0.54 ±    0.000  7.64E+05  1.28E-06  5.22E-07  -6.57
2087/01/25.078  83345.078   0.148 0.000    0.04 ±    0.000  1.94E+08  5.69E-09  2.33E-09  -8.92
2088/01/25.314  83710.314   0.145 0.000    1.04 ±    0.000  1.83E+07  4.04E-08  1.65E-08  -8.08
2088/01/25.319  83710.319   0.265 0.000    0.63 ±    0.000  1.36E+07  7.06E-08  2.89E-08  -7.84
2090/01/24.891  84440.891   0.140 0.000    0.73 ±    0.000  4.40E+06  2.14E-07  8.77E-08  -7.37
2090/01/24.901  84440.901   0.271 0.000    1.20 ±    0.000  3.23E+06  2.15E-07  8.80E-08  -7.36

Based on   66 optical observations (of which   0 are rejected as outliers)
from 2009/01/16.362 to 2009/01/21.362.
Source 

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The 17 - 39 metre wide asteroid 2009 BE will make a close pass (2.1 Lunar Distances) to the Earth-Moon system on 23rd January 2009.

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2009BE - impactor table 
Object: 2009BE    

     date         MJD       sigma sigimp   dist ±   width    stretch    p_RE    exp. en.    PS  
   YYYY/MM                                 (RE)       (RE)      RE/sig               MT           
--------------------------------------------------------------------------------------------------
2045/01/24.183  68004.183  -0.788 0.000    1.33 ±    0.000  3.20E+07  7.90E-09  3.59E-09  -8.41
2058/01/24.093  72752.093   1.743 0.000    0.54 ±    0.045  5.51E+05  4.20E-07  1.97E-07  -6.81
2061/01/24.001  73848.001  -0.928 0.000    0.34 ±    0.040  3.40E+05  2.10E-06  9.56E-07  -6.14
2067/01/24.559  76039.559   1.744 0.000    0.22 ±    0.000  1.72E+07  1.39E-08  6.51E-09  -8.36
2071/01/24.835  77500.835  -0.778 0.000    0.96 ±    0.000  3.27E+07  1.82E-08  8.31E-09  -8.28
2080/01/25.560  80788.560   1.472 0.000    0.92 ±    0.089  4.15E+06  8.96E-08  4.17E-08  -7.64
2083/01/25.093  81884.093  -0.400 0.000    0.93 ±    0.033  8.08E+03  9.99E-05  4.57E-05  -4.62
2083/01/25.098  81884.098  -0.316 0.000    0.81 ±    0.007  6.06E+03  1.47E-04  6.74E-05  -4.45
2084/01/24.938  82248.938  -0.927 0.000    0.23 ±    0.000  3.19E+07  2.24E-08  1.02E-08  -8.28
2085/01/24.558  82614.558  -0.398 0.000    0.85 ±    0.000  1.40E+07  5.81E-08  2.66E-08  -7.87
2086/01/24.899  82979.899  -0.858 0.000    0.24 ±    0.000  1.05E+06  7.26E-07  3.30E-07  -6.78
2088/01/25.318  83710.318  -0.313 0.000    0.63 ±    0.000  1.89E+07  5.00E-08  2.29E-08  -7.95
2090/01/24.889  84440.889  -0.405 0.000    0.78 ±    0.000  6.12E+06  1.42E-07  6.50E-08  -7.50
2090/01/24.897  84440.897  -0.308 0.000    1.07 ±    0.000  4.48E+06  1.53E-07  7.00E-08  -7.47

Based on   45 optical observations (of which   0 are rejected as outliers)
from 2009/01/16.362 to 2009/01/18.957.
Source

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Blobrana


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Orbital elements:
2009 BE                                                  Earth MOID = 0.0005 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 306.69949              (2000.0)            P               Q
n   0.53925278     Peri.   60.58272     -0.99398722     +0.10870506
a   1.4948850      Node   125.65495     -0.10522878     -0.91517513
e   0.4517537      Incl.    0.92649     -0.03027068     -0.38812071
P   1.83           H   26.0           G   0.15           U   7
MPEC 2009 -B15

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