 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -sm    -42.982   99.181  1.1340
  
 covariance matrix (rad2/m.y.2 e-10
    6060.2      61.3      94.7
      61.3    6684.3     -58.3
      94.7     -58.3    6242.8
  
