 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 su  -an     13.622  -76.341  0.1310
  
 covariance matrix (rad2/m.y.2 e-10
     339.3     -11.7      51.3
     -11.7    1047.6     205.1
      51.3     205.1     162.6
  
