🛰️ Spacecraft Proximity Operations: Clohessy-Wiltshire Hops, V-bar and R-bar Approaches

Fly a chaser spacecraft around a station in the rotating Hill frame: Clohessy-Wiltshire relative motion, two-impulse transfers, V-bar and R-bar approaches, free-drift ellipses, burn errors and a check of the linear theory against full two-body orbits.