 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 PM  -su    -44.065 -160.495  0.1341
  
 covariance matrix (rad2/m.y.2 e-10
    1953.5    -382.5      42.8
    -382.5    3570.1     188.2
      42.8     188.2    2158.5
  
