 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ri  -GP      7.784 -102.519  9.8013
  
 covariance matrix (rad2/m.y.2 e-10
   25235.7   77675.6  -28524.5
   77675.6  259493.3  -94678.7
  -28524.5  -94678.7   37052.4
  
