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 = +/- 3 secs

        d Proba-  Location                          Longitude Latitude   alt      U.T.     Sepn   Alt  Sun
     km   bility                                       o   '    o   '      m    h  m  s     "       o    o
    248 -    0%   ** Path limit plus 3-Sigma **   
    245 N    0%   324 Peking Observatory, Shaho S    116 15.   40  5.     11   22 29 47   -0.093   24  -12
    193 -    2%   ** Path limit plus 2-Sigma **   
    138 -   16%   ** Path limit plus 1-Sigma **   
     83 -   50%   ***  Path limit  ***            

     81 N   52%   334 Tsingtao                       120 15.   36  5.     63   22 29 16   -0.031   21   -8
     35 N   79%   236 Tomsk                           84 55.   56 25.    106   22 32 40   -0.013   39  -32
     14 N   85%   Fanzhi China - Yongjiang Cui       113 15.   39 15.    937   22 29 45   -0.005   26  -14
      0 -   87%   **** Centre Line    ****        
    -83 -   50%   ***  Path limit  ***            

   -138 -   16%   ** Path limit plus 1-Sigma **   
   -193 -    2%   ** Path limit plus 2-Sigma **   
   -248 -    0%   ** Path limit plus 3-Sigma **   

Prediction of 2020 Mar  3.1