Communications
IRIDIUM 125
Global Mobile Satellite Network (Iridium NEXT) · Iridium Communications
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Part of the Iridium NEXT constellation, one of 66 satellites completing the replacement of Iridium's original 1990s fleet. The full transition, executed across eight SpaceX Falcon 9 launches between 2017 and 2019, represents one of the largest and most operationally complex satellite constellation replacement campaigns any commercial company has ever completed.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 485–487 mi (780–784 km)
- Inclination
- 86.4°
- One orbit
- 100.3 minutes14.4 orbits a day
- NORAD ID
- 42964
- Int’l designator
- 2017-061K
- Launched
- 2017
Orbital elements from CelesTrak, as of 22 Sep 2026.
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