NAME:
  occpred
 PURPOSE:   (one line only)
  Make occultation prediction
 DESCRIPTION:
  Behavior is governed by keywords in config.ini. A subdirectory is
  created with new prediction products. See occmap_howto.txt for details.
 CATEGORY:
  Occultations
 CALLING SEQUENCE:
  occpred
 INPUTS:
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
  objectid :String,  objectid to use (overwrites config.ini value)
 OUTPUTS:
  version  :String,  name of the subdirectory created
 KEYWORD OUTPUT PARAMETERS:
 CONFIGURATION:
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Brian Keeney, Southwest Research Institute, 2023-04-05