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  Sample data for collision algorithm initialization
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   Outputs
   -------
   d        :     Algorithm data structure
                  .hRef          Altitude of the reference orbit (km)
                  .eRef          Eccentricity
                  .MRef          Mean anomaly
                  .el0
                  .dR            Reference length of Hill's orbit (km)
                  .initBounds    Error in measurement (6,1)
                  .scalev        Sigma for scaling measurement noise
                  .mSC           Spacecraft mass (kg)
                  .lenSC         Spacecraft length (m)
                  .diaSC         Spacecraft diameter (m)
                  .Cd            Drag coefficient
                  .Cr            Reflectivity of s/c: 0.0 for translucent; 
                                   1.0 for black-body; 2.0 for flat mirror
                  .Pmin
                  .Ssc
                  .S0
   y              Relative state
   mvr1
   mvr2
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