to be on track; to be going to plan; to enter orbit
course correction; trajectory change; orbital adjustment
trackless; reckless; dissipated
to put on track; to make go to plan; to put into orbit; to send into orbit
geostationary orbit; geosynchronous orbit
continuous track; caterpillar track
low orbit; low earth orbit; LEO
handcar railroad; handcar railway
earth orbit; geocentric orbit
heliocentric orbit; circumsolar orbit
semi-major axis (esp. in orbital matters)
ICO; Intermediate Circular Orbit
① 《《天文力学》》２つの天体が重力を及ぼしあって公転周期が簡単な整数比になる現象。
semi-minor axis (esp. in orbital matters)