 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ar  -nb     32.788   23.829  0.3787
  
 covariance matrix (rad2/m.y.2 e-10
     224.8     172.2      94.5
     172.2     243.6     136.6
      94.5     136.6     119.1
  
