 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SS  -ON    -75.017  -11.412  1.6375
  
 covariance matrix (rad2/m.y.2 e-10
    3367.3    -230.3     140.2
    -230.3    3527.1     -12.3
     140.2     -12.3    3603.0
  
