 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -BU     10.210  -18.100  6.8204
  
 covariance matrix (rad2/m.y.2 e-10
    8230.8    -271.1      49.7
    -271.1    8998.5     130.4
      49.7     130.4    8314.5
  
