 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 EA  -PM     23.660   67.490 11.5130
  
 covariance matrix (rad2/m.y.2 e-10
    6069.2     178.0    -134.2
     178.0    8141.5    -426.1
    -134.2    -426.1    6385.0
  
