 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -eu      0.758   80.981  5.6272
  
 covariance matrix (rad2/m.y.2 e-10
    1837.1     370.4    -146.0
     370.4    3414.1    -407.6
    -146.0    -407.6    2103.3
  
