Muon Space

3 satellites in orbit, 3 operating.

The count is the catalogue’s as of Nov 9, 2026, 8:17 AM; 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

Muon Space is how GCAT, Jonathan McDowell’s general catalogue (CC BY 4.0), names the organisation under the code MUON, of United States of America. This page gathers the satellites it flies and those of every organisation under it, each row naming the organisation that flies it.

SatelliteKindOrbit classLaunchedOperatingFlown by
SERT3Not knownLow Earth orbitYes
FIRESAT0Earth-watching satelliteLow Earth orbitYes
MUSAT2Earth-watching satelliteLow Earth orbitYes