                                   &quot;Intercept&quot;, 
                                      &quot;Ellipsoid near point&quot; 
                                   };

           SpiceChar             * obsrvr = &quot;Mars&quot;;
           SpiceChar             * target = &quot;Phobos&quot;;
           SpiceChar               timstr [ TIMLEN ];

           SpiceDLADescr           dladsc;
           SpiceDSKDescr           dskdsc;

           SpiceDouble             alt;
           SpiceDouble            