Science
TIANMU-1 04
Commercial Weather (Radio Occultation) · MWS (Commercial)
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LiveIt moves every second. See exactly where it is — worked out from its orbit, on your own device — on the live 3D globe.
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Tianmu #4, building China's commercial GPS occultation weather network. The constellation already outnumbers all government-operated radio occultation satellites combined, reshaping who controls global weather data. A commercial entity quietly displacing government monopolies on atmospheric intelligence.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 259–263 mi (416–423 km)
- Inclination
- 97.5°
- One orbit
- 92.8 minutes15.5 orbits a day
- NORAD ID
- 55974
- Int’l designator
- 2023-039B
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.
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