SY 31 (Shiyan 31) is a Chinese technology demonstration satellites for tests of Earth observation technology.
The satellite carried the XIOPM developed GC-2 camera onboard.
| Nation: | China |
|---|---|
| Type / Application: | Technology, Earth observation |
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| Contractors: | SAST |
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| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| Shiyan 31 (SY 31) | 2025-227A | 13.10.2025 | Xi LC-3 | CZ-2D (2) |
