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TOPIC: Asteroid 2008 YF29
Blobrana


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RE: Asteroid 2008 YF29
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Object: 2008YF29  

     date         MJD       sigma sigimp   dist ±   width    stretch    p_RE    exp. en.    PS  
   YYYY/MM                                 (RE)       (RE)      RE/sig               MT           
--------------------------------------------------------------------------------------------------
2090/03/04.365  84479.365   0.873 0.000    0.63 ±    0.063  4.62E+06  1.87E-07  7.84E-07  -6.62

Based on   46 optical observations (of which   0 are rejected as outliers)
from 2008/12/30.250 to 2009/01/08.344.
Source

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Blobrana


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The 65 metre wide asteroid, 2008 YF29, will pass 9.7 lunar distances from the Earth-Moon system  on the 11th January, 2009.    

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Blobrana


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2008YF29 - impactor table 
Object: 2008YF29  

     date         MJD       sigma sigimp   dist ±   width    stretch    p_RE    exp. en.    PS  
   YYYY/MM                                 (RE)       (RE)      RE/sig               MT           
--------------------------------------------------------------------------------------------------
2028/03/08.667  61838.667  -1.172 0.370    1.79 ±    0.613  7.01E+06  5.55E-09  2.74E-08  -7.46
2059/03/06.839  73158.839  -0.037 0.000    0.92 ±    5.356  1.01E+08  2.34E-09  9.96E-09  -8.31

Based on   36 optical observations (of which   0 are rejected as outliers)
from 2008/12/30.250 to 2009/01/02.918.
Source

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Blobrana


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2008 YF29
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.33
Palermo Scale (cumulative) -4.28
Impact Probability (cumulative) 7.5e-06
Number of Potential Impacts 7
Vimpact 14.45 km/s
Vinfinity 9.20 km/s
H 24.1
Diameter 0.051 km
Mass 1.8e+08 kg
Energy 4.6e+00 MT
all above are mean values
weighted by impact probability
Analysis based on
30 observations spanning 2.0024 days
(2008-Dec-30.24924 to 2009-Jan-01.25162)

Source

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Blobrana


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Orbital elements:
2008 YF29                                                Earth MOID = 0.0049 AU
Epoch 2008 Dec. 20.0 TT = JDT 2454820.5                 MPC
M 349.03174              (2000.0)            P               Q
n   0.23953495     Peri.  337.95258     -0.80210525     -0.59714603
a   2.5677739      Node   165.37591     +0.55174391     -0.74526870
e   0.6367589      Incl.    1.50202     +0.22848596     -0.29663308
P   4.11           H   24.0           G   0.15
From 21 observations 2008 Dec. 30.
MPEC 2008 -Y76

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