 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AT  -yz     24.672   31.595  1.1565
  
 covariance matrix (rad2/m.y.2 e-10
    1889.9     -74.0      26.9
     -74.0    2386.1     121.0
      26.9     121.0    2093.0
  
