Occultation of UCAC4 533-049713 by 140 Siwa on 2021 Jan 22

Distance from center of occultation path - in km
Distances are positive to the right, referenced to the direction of motion along the path

Uncertainty in time = +/- 2 secs

        d Proba-  Location                          Longitude Latitude   alt      U.T.     Sepn   Alt  Sun
     km   bility                                       o   '    o   '      m    h  m  s     "       o    o
    159 -    0%   ** Path limit plus 3-Sigma **   
    135 -    2%   ** Path limit plus 2-Sigma **   
    114 N   13%   Beijing China - Weizhou Ceng       116  5.   40 25.    552   22 29 55   -0.042   24  -12
    110 -   16%   ** Path limit plus 1-Sigma **   
    101 N   26%   324 Peking Observatory, Shaho S    116 15.   40  5.     11   22 29 52   -0.037   24  -12

     85 -   50%   ***  Path limit  ***            
      0 -  100%   **** Centre Line    ****        
    -67 S   76%   334 Tsingtao                       120 15.   36  5.     63   22 29 22    0.025   21   -8
    -85 -   50%   ***  Path limit  ***            
   -110 -   16%   ** Path limit plus 1-Sigma **   

   -115 S   12%   236 Tomsk                           84 55.   56 25.    106   22 32 45    0.042   39  -32
   -135 -    2%   ** Path limit plus 2-Sigma **   
   -136 S    2%   Fanzhi China - Yongjiang Cui       113 15.   39 15.    937   22 29 50    0.050   26  -14
   -159 -    0%   ** Path limit plus 3-Sigma **   

Prediction of 2020 Dec 31.0