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Space · launch vehicle

Long March 12B

CASC ACTIVE REUSABLE
At a glance
Launches
1
Success rate
100%
1 ok · 0 failed
Payload to LEO
20,000 kg
Payload to GTO
—
Status
Active
First flight
01 Jun 2026
Reusable
Yes
Height
72 m
Diameter
4.37 m
Launch mass
—
Liftoff thrust
7,940 kN
Stages
2
Launch cost
—
Booster landings
—
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About

Long March 12B/Changzheng 12B (LM-12B/CZ-12B) is a reusable orbital launch vehicle developed by the China Aerospace Science and Technology Commercial Launch Vehicle Group (CACL), a subsidiary company of the state-owned China Aerospace Science and Technology Corporation (CASC). The rocket is based on the Long March 12, but extensively re-designed for first stage re-usability, and use of gas generator cycle kerosene/liquid oxygen powered rocket engines in both stages.

The first stage uses 9 YF-102R engines and the second stage uses 1 YF-102V engine, both from CASC's Academy of Aerospace Liquid Propulsion Technology (AALPT).

On launch missions where the first stage is recovered, it will land on a down-range landing pad located in Minqin County, Gansu Province.