Science
FENGYUN 3B
Polar Weather · CMA / CNSA
Right now
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FY-3B expanded China's polar weather capabilities with improved microwave humidity sounders that profile water vapor through clouds — critical for tropical cyclone intensity forecasting. It feeds China's global numerical weather prediction system, which now rivals Western models in accuracy over Asia and the western Pacific.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 517–536 mi (832–862 km)
- Inclination
- 99.0°
- One orbit
- 101.7 minutes14.2 orbits a day
- NORAD ID
- 37214
- Int’l designator
- 2010-059A
- Launched
- 2010
Orbital elements from CelesTrak, as of 22 Sep 2026.
More science
- FENGYUN 3CPolar Weather
- FENGYUN 3DPolar Weather / Climate
- FENGYUN 3EPolar Weather (Dawn-Dusk)
- FENGYUN 3FPolar Weather
- FENGYUN 3GPolar Weather / Precipitation
- FENGYUN 3HPolar Weather