 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 SB  -ND      6.627  -31.101  8.1089
  
 covariance matrix (rad2/m.y.2 e-10
    8151.4      64.0     -54.7
      64.0    8557.6     164.0
     -54.7     164.0    8294.7
  
