1],
                    drectn [2]                );

           return ( 0 );
        }

     Output from this program should be similar to the following
     (rounding and formatting differ across platforms):


        Rectangular coordinates:

          X (km)                 =    1.460397325e+08
          Y (km)                 =    2.785466068e+08
          Z (km)                 =    1.197503153e+08

        Rectangular velocity:

          dX/dt (km/s)           =   -4.704288238e+01
          dY/dt (