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Long March 12B

Long March 12B is a two-stage, single-core commercial constellation launcher developed within CASC. Nine liquid-oxygen and kerosene engines power its 4.37-meter first stage; the vehicle is designed for eventual first-stage recovery, though its successful 2026 maiden mission did not attempt recovery.

Long March 12B
Xiaojun Wang / China Academy of Launch Vehicle Technology · Creative Commons Attribution 4.0 International; the exact Wikimedia Commons record identifies this byte-matched image as “Long March 5 rolling out at Wenchang Space Launch Site,” authored by Xiaojun Wang of the China Academy of Launch Vehicle Technology, and records the CC BY 4.0 licence. Sharing and adaptation are permitted with appropriate attribution, a licence link, and an indication of changes; do not imply endorsement. The Commons record’s source note identifies the image as cropped from the cited DOI source. · Source
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Identity

Aliases
Chang Zheng 12BCZ-12BLM-12B长征十二号乙
Family Name
Long March 12
Full Name
Long March 12B
Status
active
Type
rocket
Variant Name
B

Details

Description
Long March 12B is a two-stage, single-core commercial constellation launcher developed within CASC. Nine liquid-oxygen and kerosene engines power its 4.37-meter first stage; the vehicle is designed for eventual first-stage recovery, though its successful 2026 maiden mission did not attempt recovery.
Dimensions
Diameter
…
Height
…
First Flight Year
2,026
Manufacturer
Parent Vehicle Family
Propulsion Configurations
  • Entries
    • Count
      9
      Placement
      core
      Propulsion System
      Role
      main
      Stage
      first-stage
    • Count
      1
      Placement
      upper
      Propulsion System
      Role
      upper-stage
      Stage
      second-stage
    Name
    Long March 12B standard two-stage configuration
    Notes
    CASC specifies nine YF-102R LOX/kerosene engines on the first stage and one YF-102RV high-altitude engine on the second stage.
Rocket Specs
Payload Capacity
LEO
…
Reusability
partially_reusable
Stages Count
2

Links

Official Url
https://www.spacechina.com/n25/n2014789/n2014809/c4624749/content.html
Wikipedia Url
https://en.wikipedia.org/wiki/Long_March_12

Assets & Meta

Creation Time
July 13, 2026 at 11:47:57 UTC
Updated Time
August 14, 2026 at 00:31:14 UTC
Image
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