 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BU  -sm    -13.975  -77.402  2.0602
  
 covariance matrix (rad2/m.y.2 e-10
    1820.1    -134.5      49.8
    -134.5    3194.7     129.1
      49.8     129.1    1982.0
  
