Long March 3B/E

Active

China Aerospace Science and Technology Corporation (CASC)

May 13, 2007

Description

The Long March 3B / E (G2) (CZ-3B / E) is one of the most successful medium-range launchers and the strongest variant of the CZ-3 series. It was specially developed for the transport of heavy communications satellites into a geostationary transfer orbit. The additional designation "E" stands for a higher payload fairing, stretched boosters and extended fuel tanks at the first stage, over the CZ-3B.

Specifications
  • Stages
    3
  • Length
    56.3 m
  • Diameter
    3.35 m
  • Fairing Diameter
    4.2 m
  • Launch Mass
    456.0 T
  • Thrust
    5924.0 kN
Family
  • Name
    Long March 3B/E
  • Family
  • Variant
    B/E
  • Alias
    CZ-3B/E
  • Full Name
    Long March 3B/E
Payload Capacity
  • Launch Cost
    $70000000
  • Low Earth Orbit
    12000.0 kg
  • Geostationary Transfer Orbit
    5500.0 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity

China Aerospace Science and Technology Corporation

Government
Chairman & President: Lei Fanpei
CASC 1999

The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.

Long March 3B/E | Tianlian 2-06

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
July 23, 2026, noon
Status: Launch Successful
Mission:

Tianlian is a Chinese data tracking and relay communications geostationary satellite series. The TL 2 (Tian Lian 2) satellites represent the second generation of this relay satellite network, and is based on the DFH-4 Bus, a three-axis-stabilized telecommunications satellite platform. TL 2 will be used to support real-time communications between orbiting satellites and ground control stations. This system will replace the current network of ground-based space tracking and telemetry stations and space tracking ships.

Geostationary Transfer Orbit
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Long March 3B/E | Shijian 31

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
June 16, 2026, 9:45 a.m.
Status: Launch Successful
Mission:

Classified experimental Chinese satellite of unknown purposes (officially described for "spatial environment detection" purposes).

Elliptical Orbit
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Long March 3B/E | Shijian 32

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
Jan. 16, 2026, 4:55 p.m.
Status: Launch Failure
Mission:

Chinese experimental spacecraft of unknown purposes.

Geostationary Transfer Orbit
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Long March 3B/E | Fengyun-4C

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
Dec. 26, 2025, 4:07 p.m.
Status: Launch Successful
Mission:

China's geostationary meteorological satellite program FY-4 (Feng Yun 4) is the second generation of chinese geostationary meteorological satellites.

Geostationary Transfer Orbit
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Long March 3B/E | TJSW-22

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
Dec. 9, 2025, 3:08 p.m.
Status: Launch Successful
Mission:

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.

Geostationary Transfer Orbit
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Long March 3B/E | TJSW-21

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
Nov. 21, 2025, 10:55 a.m.
Status: Launch Successful
Mission:

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.

Elliptical Orbit
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Long March 3B/E | Gaofen-14 02

China Aerospace Science and Technology Corporation | China
Xichang Satellite Launch Center, People's Republic of China
Oct. 26, 2025, 3:55 a.m.
Status: Launch Successful
Mission:

Gaofen is a series of civilian Earth observation satellites developed and launched for the China High-definition Earth Observation System (CHEOS), a state-sponsored programme aimed to develop a near-real time, all-weather, global surveillance network consisting of satellite, near-space (stratosphere) airships, and aerial observation platforms.

Sun-Synchronous Orbit
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