 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -NB      1.220   12.721  0.7611
  
 covariance matrix (rad2/m.y.2 e-10
   11679.8   13064.1  -15642.5
   13064.1   18942.4  -20786.6
  -15642.5  -20786.6   27114.2
  
