 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -ND      2.120   80.721  5.5866
  
 covariance matrix (rad2/m.y.2 e-10
    3314.9     353.5    -182.0
     353.5    4944.5    -319.9
    -182.0    -319.9    3652.7
  
