 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 jf  -co    -31.985   57.480  2.1375
  
 covariance matrix (rad2/m.y.2 e-10
   12024.9   14496.4  -16442.9
   14496.4   19395.7  -21566.8
  -16442.9  -21566.8   25771.4
  
