International Maritime Satellite Organization

9 satellites in orbit, 2 operating.

The count is the catalogue’s as of Nov 8, 2026, 4:17 PM; whether a satellite is operating is as Orbinauts writes it where it has written when the satellite’s mission ended, and otherwise as Jonathan McDowell’s general catalogue believes it, licensed CC BY 4.0: GCAT

International Maritime Satellite Organization is how GCAT, Jonathan McDowell’s general catalogue (CC BY 4.0), names the organisation under the code INMAR, of International Maritime Satellite Organization. This page gathers the satellites it flies and those of every organisation under it, each row naming the organisation that flies it. It is part of International Maritime Satellite Organization. See every satellite of International Maritime Satellite Organization.

SatelliteKindOrbit classLaunchedOperatingFlown by
INMARSAT 3-F5Communications satelliteInclined geosynchronousYes
INMARSAT 3-F4Communications satelliteInclined geosynchronousEnded
INMARSAT 3-F3Communications satelliteInclined geosynchronousYes
INMARSAT 3-F2Communications satelliteInclined geosynchronousEnded
INMARSAT 3-F1Communications satelliteInclined geosynchronousEnded
INMARSAT 2-F4Communications satelliteInclined geosynchronousEnded
INMARSAT 2-F3Communications satelliteInclined geosynchronousEnded
INMARSAT 2-F2Communications satelliteInclined geosynchronousEnded
INMARSAT 2-F1Communications satelliteInclined geosynchronousEnded