 ---
 angular velocity
            lat.n    lon.e      rate (deg./m.y.
 BH  -ps      7.093  124.976  1.1443
  
 covariance matrix (rad2/m.y.2 e-10
    6892.9   -1066.5    -482.3
   -1066.5    7117.0     585.4
    -482.3     585.4    6490.5
  
