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 Thanks and Regards, Murali Sharma. 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 Qualifications .