Geostationary
SHIJIAN-28 (SJ-28)
Technology Demonstration · CNSA
Right now
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A recent Shijian technology demonstration satellite testing advanced GEO capabilities. China's SJ series demonstrates Beijing's approach to military space technology development — test boldly in orbit with acknowledged technology demonstration satellites, then incorporate proven capabilities into operational systems. This approach differs from the US model of extensive ground testing before flight, allowing China to advance capabilities faster.
Its orbit
- Orbit
- Geostationaryappears to hang motionless over one spot on the equator
- Altitude
- 22,238–22,245 mi (35,789–35,800 km)
- Inclination
- 4.3°
- One orbit
- 23.9 hoursabout one orbit a day
- NORAD ID
- 66549
- Int’l designator
- 2025-277A
- Launched
- 2025
Orbital elements from CelesTrak, as of 22 Sep 2026.
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