ed
                by this routine.

                Neither letter case or embedded blanks are significant
                in the 'abcorr' string.

      obs       the name of a observing body. Optionally, you may supply
                the integer ID code for the object as an integer string,
                i.e. both 'MOON' and '301' are legitimate strings that
                indicate the Moon is the observing body.

                [1,c4] = size(target); char = class(target)

                   or

    