Influence of P0230 data uncertainty on parameters of the previous BB orbit – in this simulation we used 10 000 pairs: a comet clone and a P0230 clone. The result of each pair is represented by a black dot. Omitted are 114 points from a long right tail, among which 27 have negative 1/a_prev. The marginal distribution of q_prev is performed for all black points and shown as the red histogram below the main plot. For the sake of comparison, the main result is superimposed, with the blue swarm of dots showing the result of an additional experiment: 5001 BB orbits and nominal P0230 track. The nominal result is in the center of a green circle.