 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ON  -co     21.378  112.190  2.6173
  
 covariance matrix (rad2/m.y.2 e-10
    2576.4     548.7    -602.3
     548.7    3329.5    -700.9
    -602.3    -700.9    2421.9
  
