 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BU  -MA     -8.317  -65.081  3.3752
  
 covariance matrix (rad2/m.y.2 e-10
    4192.7   -1262.3    -527.1
   -1262.3    5167.3     772.9
    -527.1     772.9    3769.5
  
