Individual #astrodynamics__astrodynamic  the branch of astronomy that studies the motion of natural and artificial bodies in space
  >part of:  astronomy__uranology  the branch of physics that studies celestial bodies and the universe as a whole
     >part of:  physics__physic__physical_science__natural_philosophy__naturalphilosophy  the science of matter and energy and their interactions

No statement uses or specializes astrodynamics; click here to add one.