 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -sa      2.914   80.930  5.5864
  
 covariance matrix (rad2/m.y.2 e-10
    1775.0     353.5    -182.0
     353.5    3404.6    -319.9
    -182.0    -319.9    2112.8
  
