 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ar  -sr     50.289    4.328  0.6222
  
 covariance matrix (rad2/m.y.2 e-10
    1796.7     -37.6   -2106.5
     -37.6     339.9     385.2
   -2106.5     385.2    3416.9
  
