📊 Analysis
Statistics & insights on rockets and organizations — technology, history, numbers.
Long March 5B
ActiveChina Aerospace Science and Technology Corporation
The configuration of the CZ-5B variant consists of the Long March 5 core stage with its four strapped-on liquid-fueled boosters, but the usual second stage will be absent; in place of the second stage would be heavier low earth orbit payloads.
Key figures
Total launches
4
Successes
4
Failures
0
Success rate
100.0 %
Success streak
4
Maiden flight
May 5, 2020
Reusable
No
Shortest launch interval ⓘ
99d 1h
Planned launches
1
Long March, Long March 5 family total
18 launches · 17 successes · 1 failures (4 variants)
🧐 Data check
Automatic plausibility checks — anomalies are surfaced transparently here:
- ℹ️The figures above apply only to the “Long March 5B” variant. The Launch Library counts each variant separately — the Long March, Long March 5 family totals 18 launches across 4 variants.
Technology
Length
53.66 m
Diameter
5 m
Launch mass
837 t
Liftoff thrust
10,565 kN
Stages
1
LEO (low Earth orbit)
25,000 kg
Engines & propellant
| Boosters | 4 Booster mit je 2× YF-100 | Kerosin / Flüssigsauerstoff |
| 1st stage | 2× YF-77 | Flüssigwasserstoff / Flüssigsauerstoff |
| 2nd stage | 2× YF-75D | Flüssigwasserstoff / Flüssigsauerstoff |
Engine and propellant data from curated sources: Wikipedia — Langer Marsch 5
Launches per year
of which in our database: 4
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia