Ra. Serafin, BOUNDS ON THE SOLUTION TO KEPLERS EQUATION - II - UNIVERSAL AND OPTIMAL STARTING POINTS, Celestial mechanics & dynamical astronomy, 70(2), 1998, pp. 131-146
In this paper we find bounds on the solution to Kepler's equation for
hyperbolic and parabolic motions. Two general concepts introduced here
may be proved useful in similar numerical problems. Moreover, we give
optimal starting points for Kepler's equation in hyperbolic and ellip
tic motions with particular attention to nearly parabolic orbits. It a
llows to expand the accepted earlier interval \e - 1\ less than or equ
al to 0.01 for nearly parabolic orbits to the interval \e - 1\ less th
an or equal to 0.05.