Master's degree in Astronomy, Astrodynamics, Statistics, Orbital Mechanics, Mathematics, or Applied Physics and 10+ years of experience as an aerospace engineer, or Doctorate degree in Astronomy, Astrodynamics, Statistics, Orbital Mechanics, Mathematics, or Applied Physics and 5+ years of experience as an aerospace engineer. Knowledge of orbital dynamics, including Kepler's laws, orbital perturbations, orbital maneuvers, and celestial mechanics, including orbit types such as elliptical, circular, and geostationary, and their properties.