 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -lw      5.388  -31.109  7.9486
  
 covariance matrix (rad2/m.y.2 e-10
    6818.8     306.9    -351.9
     306.9    7248.4    -308.4
    -351.9    -308.4    7080.0
  
