 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 KE  -co     20.216   24.414  2.7956
  
 covariance matrix (rad2/m.y.2 e-10
    2535.7     628.4    -553.3
     628.4    3163.3    -802.7
    -553.3    -802.7    2354.3
  
