 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 cp  -nb     23.545   47.191  0.5251
  
 covariance matrix (rad2/m.y.2 e-10
     211.0     179.2      47.9
     179.2     635.9    -238.7
      47.9    -238.7     460.8
  
