- 上轨道 shàngguǐdào to get on trackto start moving in a normal and orderly way; to proceed smoothly or become systematic
- 轨道站 guǐdàozhàn orbit stationAn outer-space station or facility launched into a fixed path in space.
- 地球轨道 dìqiúguǐdào earth orbitThe orbit of a satellite around the Earth; also refers to the orbit of the Earth around the Sun.
- 城市轨道交通 chéngshìguǐdàojiāotōng urban rail transitUrban public transportation system using vehicles running on tracks, including subway, light rail, and trams. Systems can be built on the surface, underground, or on elevated tracks.
- 轨道交通 guǐdàojiāotōng rail transitUrban public transportation systems using vehicles on fixed tracks, including subway, light rail, and maglev trains.
- 轨道空间站 guǐdàokōngjiānzhàn orbital space stationa facility designed to remain in orbit around a celestial body for an extended period of time
- 轨道舱 guǐdàocāng orbital moduleorbital module; the part of a spacecraft that remains in orbit during a mission
- 轻型轨道交通 qīngxíngguǐdàojiāotōng light raillight rail or transit system; a transit network consisting of streetcars, metro, or elevated trains
- 载人轨道空间站 zàirénguǐdàokōngjiānzhàn manned space stationmanned orbiting space station
- 近地轨道 jìndìguǐdào low Earth orbitlow Earth orbit (LEO)
- 送上轨道 sòngshàngguǐdào to send into orbitto launch or place an object into orbit
- 低地轨道 dīdìguǐdào low Earth orbitlow Earth orbit; often abbreviated as LEO
- 圆轨道 yuánguǐdào circular orbitcircular orbit in the fields of astronomy and astronautics