Science
HJ-2F
Chinese Disaster Monitoring Satellite · CNSA / MEE (China)
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HJ-2F, part of China's disaster monitoring constellation built in direct response to the communication and imagery failures exposed during the deadly 2008 Sichuan earthquake — designed to spot a wildfire's heat signature or a flooded village within hours of a disaster striking, feeding directly into China's national emergency response system.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 313–320 mi (504–515 km)
- Inclination
- 97.4°
- One orbit
- 94.7 minutes15.2 orbits a day
- NORAD ID
- 57519
- Int’l designator
- 2023-116A
- Launched
- 2023
Orbital elements from CelesTrak, as of 23 Sep 2026.
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