Watch the Launch

Shiyan 29

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Overview

Destination: Geosynchronous Orbit
Mission: Government/Top Secret

Geosynchronous Orbit Launch Complex 2 (LC-2) Xichang Satellite Launch Center, People's Republic of China

Satellite officially named for "space environment detection" purposes, exact details unknown.

Updates

Cosmic_Penguin • Sept. 5, 2025, 10:49 a.m.

Launch success.


Cosmic_Penguin • Sept. 3, 2025, 6:05 a.m.

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


Long March 3C/YZ-1

Family:
Configuration: C/YZ-1

Specifications
  • Max Stage
    3
  • Length
    54.8 m
  • Diameter
    3.35 m
  • Fairing Diameter
  • Launch Mass
    345.0 T
  • Thrust
    4441.0 kN
Family
  • Name
    Long March 3C/YZ-1
  • Family
  • Variant
    C/YZ-1
  • Alias
  • Full Name
    Long March 3C/YZ-1
Payload Capacity
  • Launch Cost
  • Low Earth Orbit
  • Geostationary Transfer Orbit
    4800.0 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: 550 Failures: 14 Pending: 5

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.

INFO WIKI

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