軌き道どう運うん動どうきどううんどうMeanings1nounorbital motionTechnical term used in astronomy and physics to describe the movement of a body along an orbit.惑わく星せいの軌き道どう運うん動どうはケプラーの法ほう則そくに従したがう。The orbital motion of planets follows Kepler's laws.
