 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -SL     15.056  -36.546  0.2025
  
 covariance matrix (rad2/m.y.2 e-10
    1698.6     275.5       8.8
     275.5    2652.0       8.2
       8.8       8.2    1800.7
  
