There are satellites in geosynchronous orbits that are not geostationary
the verdict
SUPPORTED
the evidence backs this
confidence 80/100
Orbital mechanics confirms that geosynchronous orbits can have non-zero inclinations or eccentricities, meaning they are not strictly geostationary (which requires a zero-inclination, circular equatorial orbit).
Evidence for · 2
A Real-Time Robust Method to Detect BeiDou GEO/IGSO Orbital Maneuvers.
2017 · cited by 5
Discusses BeiDou satellites operating in both Geostationary (GEO) and Inclined Geosynchronous Orbits (IGSO), confirming geosynchronous orbits that are not geostationary.
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More for · 1
An Optimized Method to Detect BDS Satellites' Orbit Maneuvering and Anomalies in Real-Time.
2018 · cited by 4
Explicitly differentiates between geostationary and inclined geosynchronous orbits within the BeiDou constellation.