 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ON  -BU     23.140  119.189  4.4135
  
 covariance matrix (rad2/m.y.2 e-10
    3447.2    -426.1      95.4
    -426.1    4357.5     175.2
      95.4     175.2    3662.1
  
