SY 21 (Shiyan 21) is a Chinese satellite of unknown purpose. Before launch it was known as SJ2013.
No details are known.
The satellite was launched on a CZ-11 rocket from China's Xichang space center in December 2022.
| Nation: | China |
|---|---|
| Type / Application: | ? |
| Operator: | |
| Contractors: | SAST |
| Equipment: | |
| Configuration: | |
| Propulsion: | |
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| Orbit: |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| Shiyan 21 (SY 21, SJ2013) | 2022-172A | 16.12.2022 | Xi LC-4 | CZ-11 |
