
                     The mass-gravitational constant.

       R0_POT        (output) REAL*8

                     The reference radius of the potential coefficients.

       ERROR         (output) REAL*8, OPTIONAL, DIMENSION (2, LMAX+1, LMAX+1)

                     The errors corresponding to the spherical harmonic
                     coefficients CILM.

       DOT           (output) REAL*8, OPTIONAL, DIMENSION (2, :, :)

                     The time derivatives of the spherical harmonic
               