EO·Atlas
launch services
Casc Long March 4b
Missions → ZY-3 02 (Operational) , ZY-3 03 (Operational) , ZY-3 04 (Operational) , Gaofen-7 (GF-7) (Operational) , HY-2D (Operational) , CBERS-4A (Extended operations) , Huan Jing-2A (Operational) , HY-2B (Extended operations) , HJ-2B (Huan Jing-2B) (Operational) , HY-2C (Operational) , CBERS-4 (Extended operations) , Satellogic NewSat constellation (Operational) , Gaofen-2 (Extended operations)
Long March 4B is a three-stage storable-liquid Long March launch vehicle used mainly for SSO and LEO missions.[1][2] The Long March 4B/4C family is described as a 47 m class, 3.35 m diameter vehicle family, and Long March 4B first flew on 1999-05-10.[1] Payload figures vary by reference orbit: 2,910 kg to 600 km SSO, 2.65 tonnes to 600 km polar orbit, and 2,200 kg to 700 km SSO.[1][2] The vehicle remained active as of 2026-06-16; Long March-4B launches occurred in December 2025.[3]
Supply chain position
launched ZY-3 02
launched ZY-3 03
launched ZY-3 04
launched Gaofen-7 (GF-7)
launched HY-2D
launched CBERS-4A
launched Huan Jing-2A
launched HY-2B
launched HJ-2B (Huan Jing-2B)
launched HY-2C
launched CBERS-4
launched Satellogic NewSat constellation
launched Gaofen-2
Sources
- [1]LM-4B/4C, Shanghai Academy of Spaceflight Technologyoperator datasheet-2026-06-16
- [2]Long March-4B, CNSAagency doc-2026-06-16
- [3]China launches new satellite, Xinhuathird party2025-12-302026-06-16
- [4]LM-4, CGWICoperator datasheet-2026-06-16
- [5]Launch Record, CGWICoperator datasheet-2026-06-16
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Casc Long March 4b. EO-Atlas, SpectraWorks B.V. https://eo-atlas.org/launch_services/casc-long-march-4b (CC BY 4.0)
BibTeX
@misc{eoatlas:launch_services:casc-long-march-4b,
title = {Casc Long March 4b},
author = {{EO-Atlas}},
publisher = {SpectraWorks B.V.},
note = {CC BY 4.0},
url = {https://eo-atlas.org/launch_services/casc-long-march-4b}
}