Shijian 26

Overview

Destination: Sun-Synchronous Orbit
Mission: Government/Top Secret

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

Chinese experimental satellite claimed to be for "Earth observation & environmental management" purposes, details not known.

Updates

Cosmic_Penguin • May 29, 2025, 4:54 a.m.

Launch success.


Cosmic_Penguin • May 23, 2025, 2:58 p.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: 545 Failures: 14 Pending: 10

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

Related News

SpaceNews

China launches classified Shijan-26 satellite with Long March 4B rocket

China carried out its ninth launch of the month early Thursday, sending the secretive Shijian-26 spacecraft into orbit.  The post China launches classified Shijan-26 satellite with Long March 4B rocket appeared first on SpaceNews.

NASASpaceflight

Launch Roundup: Chinese asteroid mission, Electron, and Falcon 9 set to launch

This week, China will launch a near-Earth asteroid sample return mission amongst several other missions.… The post Launch Roundup: Chinese asteroid mission, Electron, and Falcon 9 set to launch appeared first on NASASpaceFlight.com.

Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 94 (SLS-2 / 603)


Long March 8A
Success
20 hours, 48 minutes ago
SatNet LEO Group 14
Commercial LC-1 - Wenchang Space Launch Site, People's Republic of China

A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…


Kuaizhou-1A
Success
1 day, 19 hours ago
Traffic VDES A & B
Launch Area 95A - Jiuquan Satellite Launch Center, People's Republic of China

Two technology demonstration satellites for satellite transmissions of signals for the VHF Data Exchange System (VDES), a successor to the current Au…


Falcon 9
Success
2 days, 7 hours ago
Starlink Group 11-25
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Zhuque-3
Success
4 days ago
Demo Flight
Launch Area 96B - Jiuquan Satellite Launch Center, People's Republic of China

First test launch of LandSpace’s ZQ-3 rocket, with a dummy payload. The rocket’s 1st stage will attempt to land on a landing pad about 300 km downran…


Falcon 9
Success
4 days, 6 hours ago
Starlink Group 6-95
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Success
4 days, 23 hours ago
Starlink Group 15-10
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Vega-C
Success
5 days, 11 hours ago
KOMPSAT-7
Ariane Launch Area 1 (ELV) - Guiana Space Centre, French Guiana

KOMPSAT-7 is the follow-up model of KOMPSAT-3A whose mission is to provide high-resolution satellite images to satisfy South-Korea's governmental and…


Falcon 9
Success
5 days, 20 hours ago
Starlink Group 6-86
Launch Complex 39A - Kennedy Space Center, FL, USA

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Long March 7A
Success
6 days, 16 hours ago
Shijian 28
201 - Wenchang Space Launch Site, People's Republic of China

Classified experimental Chinese satellite of unknown purposes.


Falcon 9
Success
1 week, 1 day ago
Transporter 15 (Dedicated SSO Rideshare)
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Dedicated rideshare flight to a sun-synchronous orbit with dozens of small microsatellites and nanosatellites for commercial and government customers.