Mission
Government/Top Secret · LEO
3 Chinese satellites described as for “Space Environment Measurements” purposes. Actual usage not known.
What it put in orbit
| Object | Type | Orbit | Globe |
|---|---|---|---|
| SHIJIAN-30A (SJ-30A) 2025-266A | Payload | 514 × 523 km · 51.8° | Globe |
| SHIJIAN-30B (SJ-30B) 2025-266B | Payload | 514 × 523 km · 51.8° | Globe |
| SHIJIAN-30C (SJ-30C) 2025-266C | Payload | 514 × 523 km · 51.8° | Globe |
| CZ-2C R/B 2025-266D | Rocket body | 404 × 500 km · 52.0° | Globe |
COSPAR ID 2025-266 (data from GCAT, J. McDowell, CC BY 4.0). Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).