 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 sm  -am     -2.269  -48.167  0.1404
  
 covariance matrix (rad2/m.y.2 e-10
     280.0     101.8     -88.8
     101.8     684.5     326.4
     -88.8     326.4     579.0
  
