 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 KE  -nz     26.746   19.746  2.2359
  
 covariance matrix (rad2/m.y.2 e-10
    1774.7     214.1     -32.7
     214.1    3015.2    -540.9
     -32.7    -540.9    2073.5
  
