 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ri  -ar     14.866 -112.101  4.4770
  
 covariance matrix (rad2/m.y.2 e-10
   23850.4   77891.4  -28287.0
   77891.4  258077.3  -93603.8
  -28287.0  -93603.8   35364.4
  
