World roster → CASC — China Aerospace S&T Corp
Long March 5B
Long March 5B is an orbital launch vehicle currently flying operated by CASC — China Aerospace S&T Corp of Beijing, China, 53.7 m tall, 25,000 kg to low Earth orbit, 1.5 stages.
| Operator | CASC — China Aerospace S&T Corp · Beijing, China |
|---|---|
| Status | Currently flying |
| First flight | 2020 |
| Height | 53.7 m |
| Diameter | 5 m |
| Liftoff mass | 837 t |
| Liftoff thrust | 10,574 kN |
| Stages | 1.5 |
| Payload to LEO | 25,000 kg |
| Engines | 2 × YF-77 core · 8 × YF-100 on four boosters |
| Propellant | LH2 / LOX core · RP-1 / LOX boosters |
| Reuse | Expendable — nothing is recovered |
| Launch sites | Wenchang, Hainan |
The heavy single-stage-to-orbit-core variant that lofted the Tiangong modules. Its uncontrolled core re-entries drew international complaints; later flights added a controlled deorbit.
About CASC — China Aerospace S&T Corp
The Chinese state launch enterprise. Operates the entire Long March family and the crewed programme. Founded 1999. Official site.