Science
YUNHAI-1 04
Chinese Meteorological Satellite (Assessed Military) · SAST / Chinese Military (Assessed)
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The fourth Yunhai-1 satellite, launched October 2023 as China's 47th orbital mission of that year — a marker of just how routine satellite launches had become for China by the mid-2020s. Yunhai-1 04 continues the series' atmospheric, marine, and space environment sensing mission from its predecessors, part of a Chinese satellite weather program that Western analysts continue to assess carries significant undisclosed military utility alongside its stated civilian purposes.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 489 mi (787–788 km)
- Inclination
- 98.5°
- One orbit
- 100.5 minutes14.3 orbits a day
- NORAD ID
- 58073
- Int’l designator
- 2023-159A
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.
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