Tianhui 7

Circle Image

Overview

Destination: Sun-Synchronous Orbit
Mission: Earth Science

Sun-Synchronous Orbit Launch Area 94 (SLS-2 / 603) Jiuquan Satellite Launch Center, People's Republic of China

A satellite officially described as for cartography purposes, details TBD.

Updates

Cosmic_Penguin • Dec. 30, 2025, 4:39 a.m.

Launch success.


Cosmic_Penguin • Dec. 26, 2025, 7:30 a.m.

Added launch per NOTAMs; Payload and launch vehicle identities uncertain.


Long March 4B

Family:
Configuration: B

The Long March 4B (Chinese: 长征四号乙火箭), 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.

Specifications
  • Stages
    3
  • Length
    44.1 m
  • Diameter
    3.35 m
  • Fairing Diameter
    ―
  • Launch Mass
    249.0 T
  • Thrust
    2961.0 kN
Family
  • Name
    Long March 4B
  • Family
    ―
  • Variant
    B
  • Alias
    ―
  • Full Name
    Long March 4B
Payload Capacity
  • Launch Cost
    ―
  • Low Earth Orbit
    4200.0 kg
  • Geostationary Transfer Orbit
    1500.0 kg
  • Direct Geostationary
    ―
  • Sun-Synchronous Capacity
    ―

China Aerospace Science and Technology Corporation

China Aerospace Science and Technology Corporation

(CASC)

Chairman & President: Lei Fanpei Founded: 1999 Successes: 605 Failures: 16 Pending: 9

Agency Type:

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.

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Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 94 (SLS-2 / 603)


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