 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -SS      6.223  -34.912  9.7455
  
 covariance matrix (rad2/m.y.2 e-10
    8151.0     -75.3      94.6
     -75.3    8168.2     -57.0
      94.6     -57.0    8255.4
  
