China Aerospace Science and Technology Corporation · Long March · IN SERVICE
Long March 5B is an expendable launch vehicle built by China Aerospace Science and Technology Corporation. It stands 53.7 m tall, lifts 25,000 kg to low Earth orbit, first flew on 5 May 2020. It has flown 4 times with 4 successes, a success rate of 100.0%. Its next flight is Long March 5B | Xuntian Telescope for China Aerospace Science and Technology Corporation, no earlier than 2027.
Specification
Vehicle spec sheet
OPS-12/SPEC
ON FILE
Height53.7 m
Diameter5.0 m
Payload to LEO25,000 kg
Payload to GTONOT ON FILE
Maiden flight5 May 2020
ReusableNo, expendable
Launch costNOT ON FILE
StatusIN SERVICE
As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.
Flight record
Reliability
OPS-12/STAT
ON RECORD
Total flights4
Successful4
Failed0
Success rate100.0%
Landing attempts0
Landing successN/A
Scheduled1
VariantB
About Long March 5B
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.