Satellites · 4

Navigation Satellites

The global navigation satellite systems — GPS, Galileo, GLONASS, and BeiDou.

BeiDouOperational
China's global navigation satellite system, using a mix of medium-Earth, geostationary, and inclined geosynchronous orbits.
OperatorCNSAOrbitMEOSize≈ 35 satellites across MEO, GEO, and inclined geosynchronous orbits
Galileo (navigation system)Operational
Europe's civil global navigation satellite system — owned by the EU and operated through EUSPA, with ESA as the design and procurement agent — offering high-accuracy positioning independent of GPS.
OperatorEuropean Union (EUSPA / ESA)OrbitMEOSize≈ 24 operational satellites plus spares
GLONASSOperational
Russia's global navigation satellite system, providing worldwide positioning and timing from medium Earth orbit.
OperatorRoscosmosOrbitMEOSize≈ 24 operational satellites
GPS (Global Positioning System)Operational
The United States' global navigation satellite system, providing worldwide positioning, navigation, and timing from medium Earth orbit.
OperatorUnited States Space ForceOrbitMEOSize≈ 31 operational satellites

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