noun, noun which may take the genitive case particle 'no'
in orbit; on orbit
Used to describe something that is in orbit around a celestial body, often as a modifier with の or as an adverbial phrase.
The artificial satellite is orbiting the Earth in orbit.
Experimental data was sent from the space station in orbit.
Compound of 軌道 (orbit) + 上 (on, above), literally 'on the orbit'.