Communications
GLOBALSTAR M081
Mobile Satellite Communications · Globalstar
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Part of Globalstar's mobile satellite services constellation, providing voice, data, and — since 2022 — critical emergency messaging capacity for Apple devices. The network transmits over 1.8 billion messages annually across six continents, a scale that would have seemed extraordinary when these satellites were designed purely as a satellite phone replacement fleet.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 883 mi (1,421 km)
- Inclination
- 52.0°
- One orbit
- 114.1 minutes12.6 orbits a day
- NORAD ID
- 37743
- Int’l designator
- 2011-033E
- Launched
- 2011
Orbital elements from CelesTrak, as of 22 Sep 2026.
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- GLOBALSTAR M087Mobile Satellite Communications (Apple Emergency SOS Network)