๐ Analysis
Statistics & insights on rockets and organizations โ technology, history, numbers.
Long March 4B
ActiveChina Aerospace Science and Technology Corporation
The Long March 4B (Chinese: ้ฟๅพๅๅทไน็ซ็ฎญ), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.
Key figures
Total launches
57
Successes
56
Failures
1
Success rate
98.2 %
Success streak
37
Maiden flight
May 10, 1999
Reusable
No
Shortest launch interval โ
5d 21h
Planned launches
0
Long March, Long March 4 family total
119 launches ยท 116 successes ยท 3 failures (3 variants)
๐ง Data check
Automatic plausibility checks โ anomalies are surfaced transparently here:
- โน๏ธThe figures above apply only to the โLong March 4Bโ variant. The Launch Library counts each variant separately โ the Long March, Long March 4 family totals 119 launches across 3 variants.
Technology
Length
44.1 m
Diameter
3.35 m
Launch mass
249 t
Liftoff thrust
2,961 kN
Stages
3
LEO (low Earth orbit)
4,200 kg
GTO (geo transfer)
1,500 kg
Launches per year
of which in our database: 57
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia