Occultation of UCAC4 551-011404 by 522 Helga on 2021 Feb 3

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 = +/- 14 secs

        d Proba-  Location                          Longitude Latitude   alt      U.T.     Sepn   Alt  Sun
     km   bility                                       o   '    o   '      m    h  m  s     "       o    o
    120 -    0%   ** Path limit plus 3-Sigma **   
    111 -    2%   ** Path limit plus 2-Sigma **   
    102 -   16%   ** Path limit plus 1-Sigma **   
     93 -   50%   ***  Path limit  ***            
     83 E   77%   Geraldton, WA                      114 35.  -28 45.     10   16 38  3   -0.022   11  -45

     23 E  100%   320 Chiro Observatory              116 25.  -30 55.    221   16 37  1   -0.006    9  -43
      0 -  100%   **** Centre Line    ****        
    -93 -   50%   ***  Path limit  ***            
    -97 W   38%   318 Quinns Rock                    115 45.  -31 35.      8   16 36 20    0.025    9  -42
    -99 W   33%   323 Perth Observatory, Bickley     116  5.  -32  5.    379   16 36 12    0.026    9  -42

   -102 -   16%   ** Path limit plus 1-Sigma **   
   -105 W   19%   SCARBOROUGH   WA BACON~IAN         115 55.  -31 55.     40   16 36 14    0.027    9  -42
   -105 W   18%   321 Craigie                        115 45.  -31 45.     39   16 36 15    0.028    9  -42
   -107 W   14%   Perth Obs.                         116  5.  -32  5.    396   16 36 10    0.028    9  -42
   -111 -    2%   ** Path limit plus 2-Sigma **   

   -114 W    6%   Perth, WA                          115 55.  -31 55.     10   16 36 10    0.030    9  -42
   -117 W    3%   D21 Shenton Park                   115 45.  -31 55.    -31   16 36  9    0.031    9  -42
   -120 -    0%   ** Path limit plus 3-Sigma **   

Prediction of 2020 Dec 31.0