 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 mq  -su     36.081   25.482  1.0318
  
 covariance matrix (rad2/m.y.2 e-10
   14645.1   -7183.3   27502.8
   -7183.3    4349.5  -13157.5
   27502.8  -13157.5   52636.8
  
