 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -SB     -3.666  121.803 11.4022
  
 covariance matrix (rad2/m.y.2 e-10
    8138.9     289.4    -127.3
     289.4    9362.3    -483.9
    -127.3    -483.9    8333.3
  
