SY 12-01 and 02 (Shiyan 12-01 and 02, also referred by HOTS, High Orbit Test Satellite before launch) is a pair of Chinese satellites of unknown purpose.
The satellites were launched in late 2021 on a CZ-7A.
| Nation: | China |
|---|---|
| Type / Application: | ? |
| Operator: | |
| Contractors: | ? |
| Equipment: | |
| Configuration: | |
| Propulsion: | ? |
| Power: | solar arrays, batteries |
| Lifetime: | |
| Mass: | |
| Orbit: | GEO (planned) |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| Shiyan 12-01 (SY 12-01) | 2021-129A | 23.12.2021 | We LC-201 | CZ-7A | with Shiyan 12-02 | |
| Shiyan 12-02 (SY 12-02) | 2021-129B | 23.12.2021 | We LC-201 | CZ-7A | with Shiyan 12-01 |
