 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BU  -TI     -1.323  -72.812  4.0547
  
 covariance matrix (rad2/m.y.2 e-10
    3914.5       0.0       0.0
       0.0    3914.5       0.0
       0.0       0.0    3914.5
  
