 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -su      5.120  -30.499  7.9889
  
 covariance matrix (rad2/m.y.2 e-10
    6690.9    -271.1      49.7
    -271.1    7458.6     130.4
      49.7     130.4    6774.6
  
