 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 cp  -SB     -3.994  145.503  7.8303
  
 covariance matrix (rad2/m.y.2 e-10
    6690.8       3.1      51.5
       3.1    7661.3    -601.4
      51.5    -601.4    6997.3
  
