 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 cp  -su     16.399   42.675  0.5931
  
 covariance matrix (rad2/m.y.2 e-10
     174.6     -16.3    -139.5
     -16.3    1763.7    -298.3
    -139.5    -298.3     376.0
  
