 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 ri  -au     14.537 -110.938  4.8513
  
 covariance matrix (rad2/m.y.2 e-10
   23542.2   77309.5  -28535.5
   77309.5  256864.4  -94175.4
  -28535.5  -94175.4   35165.9
  
