Scripts include (1) time to repeat ground track (nodal period) using Kozai orbit propagation, (2) time to repeat ground track using numerical integration (3) required mean semimajor axis using Wagner's algorithm and (4) required osculating semimajor axis using numerical integration.
David Eagle (2020). Repeating Ground Track Orbit Design (https://www.mathworks.com/matlabcentral/fileexchange/39086-repeating-ground-track-orbit-design), MATLAB Central File Exchange. Retrieved .
Updated algorithms and PDF document. Added fourth MATLAB script for estimating osculating semimajor axis.