 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BU  -yz    -14.294  -75.530  2.1669
  
 covariance matrix (rad2/m.y.2 e-10
    1907.3    -426.1      95.4
    -426.1    2817.6     175.2
      95.4     175.2    2122.2
  
