Cesium Astro, Inc.

3 satellites in orbit, 1 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

Cesium Astro, Inc. is how GCAT, Jonathan McDowell’s general catalogue (CC BY 4.0), names the organisation under the code CESIUM, 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
ELEMENT-1Communications satelliteLow Earth orbitYes
CS2Not knownLow Earth orbitEnded
CS1Not knownLow Earth orbitEnded