 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AS  -au    -30.514 -154.818  0.6119
  
 covariance matrix (rad2/m.y.2 e-10
    1849.2       5.7      75.9
       5.7    2220.0      19.2
      75.9      19.2    2025.4
  
