 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 GP  -BH      8.751   78.817  4.9660
  
 covariance matrix (rad2/m.y.2 e-10
    7634.5     214.1     -32.7
     214.1    8875.0    -540.9
     -32.7    -540.9    7933.3
  
