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| Attribute | Long March 6 (incl. 6A / 6C variants) 🇨🇳 China Trust: Operator-primaryⓘ Last verified Active · Last updated 2026-07-26Remove × | ||
|---|---|---|---|
| Company | SAST (Shanghai Academy of Spaceflight Technology) / CASC | JAXA / Mitsubishi Heavy Industries | CASC / SAST |
| Country | 🇨🇳 China | 🇯🇵 Japan | 🇨🇳 China |
| Status | Active | Retired | Active |
| Vehicle class | Medium | Medium | Medium |
| Propellant | RP-1 / LOX (stages 1–2); N2O4/UDMH (stage 3, base variant) | LH₂ / LOX (LE-7A first stage + LE-5B second stage) | UDMH / N₂O₄ (hypergolic all stages) |
| Reusable | No | No | No |
| Stages | 3 | 2 | 2 |
| First flight | 2015 | 2001 – 2025 | 1992 |
| Payload to LEO | 1,080 kg to SSO (base Long March 6)as of [1]Long March 6A (4 solid boosters, elongated stage 1): at least 4,000 kg to SSO. Long March 6C: similar class without the boosters. Both variants first flew from Taiyuan Satellite Launch Center. ↑ Best | 10,000 kgas of [1]202 configuration (2 SRB-A3 solid strap-ons) | 3,500 kgas of [1]SSO capacity ~1,300 kg; standard LEO 3,500 kg |
| Payload to GTO | — | 4,100 kgas of [1]202 configuration ↑ Best | — |
| Height | 29 m (base variant)as of [1] | 53 mas of [1] ↑ Best | 41.06 mas of [1] |
| Liftoff mass | 103 t (base variant)as of [1] | 285 tas of [1]202 configuration ↑ Best | 232 tas of [1] |
| Success rate | 100% (base Long March 6, 15/15)as of [1]6A first flew 2022-03-29, 6C first flew 2024-05-07; both maintain perfect records within their own flight histories as of this date. ↑ Best | 98%as of [2]49/50 successes. Only failure: F6 (Nov 2003, MTSAT-1R lost due to SRB separation anomaly). Retired after Flight 50 (GOSAT-GW, Jun 28, 2025). | 98.7%as of [2]~77/78 successes; one known failure (CZ-2D Y7, Mar 1995 upper-stage anomaly) |
| Total flights | 15 (base variant)as of [1] | 50as of [2]50 flights from 2001–2025. H3 replaces it from 2024 onward. | ~78as of [2] ↑ Best |
| Cost / kg LEO | — | — | — |
| Summary | A family of medium-lift launchers from SAST serving China's growing SSO/LEO commercial and government satellite demand, with the 6A and 6C variants adding solid boosters or a simplified expendable configuration respectively. | Japan's flagship medium-lift rocket for 24 years, retiring after an exceptional 49/50 mission success record. Launched the SELENE lunar orbiter (2007), Akatsuki Venus probe (2010), Hayabusa2 (2014), SLIM lunar lander (2023), and the ALOS series Earth observation satellites. | China's most-used sun-synchronous and polar orbit workhorse for small-to-medium military and commercial Earth observation satellites. Launched from Jiuquan and Taiyuan. Uses storable hypergolic propellants for high launch-readiness but produces toxic exhaust. |
48 launch vehicles across 10 countries — active, retired, and in development — with primary-source citations from manufacturer user guides and agency press kits. Pure URL state: bookmark or share the link and the comparison reproduces exactly.