CLASSIFIED
YAOGAN-39 04B
Chinese Military Reconnaissance (Mixed-Sensor Triplet) · CASC / PLA
Right now
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Second satellite of Yaogan-39 group 04. Every new triplet in this family arrives with the same silence as the last — no press release, no mission description beyond the bare designation, just another three satellites quietly joining a constellation whose true purpose is inferred, never confirmed.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 323–331 mi (519–533 km)
- Inclination
- 35.0°
- One orbit
- 95.0 minutes15.2 orbits a day
- NORAD ID
- 58143
- Int’l designator
- 2023-163C
- Launched
- 2023
Orbital elements from CelesTrak, as of 22 Sep 2026.
More classified
- YAOGAN-39 04CChinese Military Reconnaissance (Mixed-Sensor Triplet)
- YAOGAN-39 05AChinese Military Reconnaissance (Mixed-Sensor Triplet)
- YAOGAN-39 05BChinese Military Reconnaissance (Mixed-Sensor Triplet)
- YAOGAN-39 05CChinese Military Reconnaissance (Mixed-Sensor Triplet)
- YAOGAN-4Earth Observation (Dual-Use)
- YAOGAN-40 01AChinese ELINT Naval Surveillance (Polar Orbit, Next-Gen)