 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 AP  -AS     -9.324  -78.859  0.5995
  
 covariance matrix (rad2/m.y.2 e-10
    3389.5     145.0     -73.4
     145.0    4149.3     240.3
     -73.4     240.3    3604.6
  
