 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -sc     62.685  -56.221  0.2292
  
 covariance matrix (rad2/m.y.2 e-10
     273.1    -300.6    -771.3
    -300.6     596.6    1123.8
    -771.3    1123.8    3794.1
  
