Long March 5B
Long March 5B is the low-Earth-orbit heavy-lift member of the Long March 5 family. It omits the baseline vehicle's second core stage, uses an enlarged 5.2-metre fairing, and sends large spacecraft directly to orbit with its core stage and four liquid boosters; it launched the Tiangong station modules.
Follow this vehicle family
Future launches and major activity directly linked to this vehicle family.
Identity
- Aliases
- Chang Zheng 5BCZ-5BLM-5B长征五号B
- Family Name
- Long March 5
- Full Name
- Long March 5B
- Status
- active
- Type
- rocket
- Variant Name
- B
Details
- Description
- Long March 5B is the low-Earth-orbit heavy-lift member of the Long March 5 family. It omits the baseline vehicle's second core stage, uses an enlarged 5.2-metre fairing, and sends large spacecraft directly to orbit with its core stage and four liquid boosters; it launched the Tiangong station modules.
- Dimensions
- Diameter M
- 5
- Height M
- 53.7
- First Flight Year
- 2,020
- Manufacturer
- Parent Vehicle Family
- Propulsion Configurations
- Entries
- Nested value
- Nested value
- Name
- Long March 5B (CZ-5B) configuration
- Notes
- Exact Long March 5B one-and-a-half-stage configuration: two YF-77 engines on the 5 m core first stage and eight YF-100 engines across four liquid strap-on boosters. The Long March 5B omits the baseline Long March 5 second-stage YF-75D installation; Long March 5 and other Long March siblings remain separate.
- Rocket Specs
- Liftoff Mass Kg
- 849,000
- Payload Capacity Kg
- Leo
- 25,000
- Reusability
- expendable
- Stages Count
- 1
- Strap On Boosters Count
- 4
Links
- Official Url
- https://calt.spacechina.com/n482/n742/index.html
Assets & Meta
- Creation Time
- July 14, 2026 at 06:27:13 UTC
- Updated Time
- August 1, 2026 at 17:03:31 UTC
- Image
- Download
Other
- Search Name
- Long March 5B Chang Zheng 5B CZ-5B LM-5B 长征五号B