 dist;
           SpiceDouble             emissn;
           SpiceDouble             esrfvc   [3];
           SpiceDouble             et0;
           SpiceDouble             etrgep;
           SpiceDouble             et;
           SpiceDouble             phase;
           SpiceDouble             solar;
           SpiceDouble             srfvec   [3];
           SpiceDouble             stepsize;
           SpiceDouble             trgepc;
           SpiceDouble             xlat;
           SpiceDouble       