 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ps  -su    -58.033  -11.475  1.0761
  
 covariance matrix (rad2/m.y.2 e-10
    1112.9   -1262.3    -527.1
   -1262.3    2087.5     772.9
    -527.1     772.9     689.7
  
