Iridium Communications Inc. is a company, based in McLean, Virginia, United States which operates the Iridium satellite constellation, a system of 66 active satellites used for worldwide voice and data communication from hand-heldsatellite phones and other transceiver units. The Iridium network is unique in that it covers the whole Earth, including poles, oceans and airways. The company derives its name from the chemical element iridium. The number of satellites projected in the early stages of planning was 77, the atomic number of iridium, evoking the metaphor of 77 electrons orbiting the nucleus.
Additional Info
- Country of Registration: USA
- Organisation Website: www.iridium.com
- Organisation Wikipedia Page: Iridium_Communications
Latest from Copernical Team
- Safer space travel: Scientists create a cosmic ray simulator
- A look back at 2025 for Europe’s Spaceport
- Week in images: 09-13 March 2026
- Plato readies for space-like tests
- A cosmic ray simulator for extreme science on Earth
- Earth from Space: Maritime highways in the Øresund Strait
- NASA clears its Artemis moon rocket for an April launch with four astronauts following repairs
- NASA plans to have a permanent base on the moon by 2030: How it can be done
- CELESTE pre-launch media briefing
- ESA’s HydroGNSS on track to scout for water






























