noun
geostationary orbit; geosynchronous orbit
Technical term in astronomy and space engineering. Refers to an orbit where a satellite appears stationary relative to a point on Earth's surface.
通信衛星は静止軌道に打ち上げられた。
The communication satellite was launched into geostationary orbit.
Compound of 静止 (seishi, 'stationary') and 軌道 (kidō, 'orbit').