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The global launch market reached $14.1 billion in 2024 — up 34% since 2021.
| Attribute | |||
|---|---|---|---|
| Company | JAXA / Mitsubishi Heavy Industries | LandSpace | Interstellar Technologies |
| Country | 🇯🇵 Japan | 🇨🇳 China | 🇯🇵 Japan |
| Status | Retired | Active | In Development |
| Vehicle class | Medium | Medium | Small |
| Propellant | LH₂ / LOX (LE-7A first stage + LE-5B second stage) | Methalox (LOX / liquid methane) | Liquid biomethane (LBM) / LOX |
| Reusable | No | No | No |
| Stages | 2 | 2 | 2 |
| First flight | 2001 – 2025 | 2024 | 2027 |
| Payload to LEO | 10,000 kgas of [1]202 configuration (2 SRB-A3 solid strap-ons) ↑ Best | 6,000 kgas of [1]4,000 kg to 500 km SSO. Enhanced variant of the base Zhuque-2 with a common-bulkhead tank, TQ-15 thrust-vectoring engine on stage 2, and a niobium-alloy nozzle extension. A further-improved Block 2 first flew 2026-05-14 with subcooled propellant loading and a 3-ignition second stage. | 250 kgas of [1]500 km SSO. No flight attempts as of this research — follows the company's successful suborbital MOMO sounding-rocket program. A larger orbital vehicle, DECA, was announced January 2023. |
| Payload to GTO | 4,100 kgas of [1]202 configuration ↑ Best | — | — |
| Height | 53 mas of [1] ↑ Best | — | — |
| Liftoff mass | 285 tas of [1]202 configuration ↑ Best | — | — |
| Success rate | 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). | 100% since 2024-11-27 debutas of [1] ↑ Best | — |
| Total flights | 50as of [2]50 flights from 2001–2025. H3 replaces it from 2024 onward. ↑ Best | 2+ (2E variant)as of [1] | — |
| Cost / kg LEO | — | — | — |
| Summary | 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. | LandSpace's enhanced methalox launcher, the higher-performance successor to the original Zhuque-2 (the first methalox rocket ever to reach orbit, in 2023) — see slug 'zhuque-2' for the original vehicle already in our database. | A liquid-biomethane orbital smallsat launcher from Interstellar Technologies, Japan's most established private rocket startup by suborbital flight heritage, though not yet flown to orbit. |
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.