 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 co  -MN      4.277  -30.919 51.5327
  
 covariance matrix (rad2/m.y.2 e-10
    3793.1     703.7    -647.9
     703.7    4403.6    -745.7
    -647.9    -745.7    3507.3
  
