Shiyan 31

Circle Image

Overview

Destination: Polar Orbit
Mission: Government/Top Secret

Polar Orbit Launch Area 4 (SLS-2 / 603) Jiuquan Satellite Launch Center, People's Republic of China

Chinese satellite reported to be for "new optical imaging technological demonstration" purposes. Actual usage not known.

Updates

Cosmic_Penguin • Oct. 13, 2025, 9:12 p.m.

Launch success.


Long March 2D

Family:
Configuration: 2D

The Long March 2D, also known as the Chang Zheng 2D, CZ-2D and LM-2D, is a Chinese orbital carrier rocket. It is a 2-stage carrier rocket mainly used for launching LEO and SSO satellites.

Specifications
  • Minimum Stage
    1
  • Max Stage
    2
  • Length
    38.3 m
  • Diameter
    3.35 m
  • Fairing Diameter
  • Launch Mass
    232.0 T
  • Thrust
    2962.0 kN
Family
  • Name
    Long March 2D
  • Family
  • Variant
    2D
  • Alias
  • Full Name
    Long March 2D
Payload Capacity
  • Launch Cost
    $30000000
  • Low Earth Orbit
    3500.0 kg
  • Geostationary Transfer Orbit
  • Direct Geostationary
  • Sun-Synchronous Capacity
    1300.0 kg

China Aerospace Science and Technology Corporation

China Aerospace Science and Technology Corporation

(CASC)

Chairman & President: Lei Fanpei Founded: 1999 Successes: 543 Failures: 14 Pending: 4

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

NASASpaceflight

Launch Roundup: Falcon 9 to launch six missions in one week

Following the successful flight of Starship Flight 11 on Monday, SpaceX is set to continue… The post Launch Roundup: Falcon 9 to launch six missions in one week appeared first on NASASpaceFlight.com.

SpaceNews

Surprise Chinese launch sends Shiyan-31 experimental satellite into orbit

China conducted an orbital launch Monday with no apparent advance indication, successfully sending the Shiyan-31 remote sensing test satellite into orbit. The post Surprise Chinese launch sends Shiyan-31 experimental satellite into orbit …

Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 4 (SLS-2 / 603)


Angara 1.2
Success
8 hours, 16 minutes ago
Kosmos (Unknown Payload)
35/1 - Plesetsk Cosmodrome, Russian Federation

Note: Payload identity and Cosmos series numbering not confirmed. Unknown Payload(s) for the Russian military.


Long March 2
Success
17 hours, 46 minutes ago
Shenzhou 22
Launch Area 4 (SLS-1 / 921) - Jiuquan Satellite Launch Center, People's Republic of China

Shenzhou 22 (Chinese: 神舟二十二号) will be the 22nd flight of the Shenzhou program. The spacecraft will be launched without crew to replace Shenzhou 20 th…


Falcon 9
Success
2 days, 13 hours ago
Starlink Group 11-30
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.


Falcon 9
Success
3 days, 14 hours ago
Starlink Group 6-79
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.


Long March 3
Success
4 days, 11 hours ago
TJSW-21
Launch Complex 2 (LC-2) - Xichang Satellite Launch Center, People's Republic of China

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


Falcon 9
Success
4 days, 18 hours ago
Starlink Group 6-78
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.


Electron
Success
5 days, 9 hours ago
Follow My Speed (BlackSky Gen-3 3)
Rocket Lab Launch Complex 1A - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

Note: Payload and customer identities were not publicly announced. 3rd of the BlackSky Gen-3 high resolution Earth-imaging satellites.


Long March 2
Success
6 days, 17 hours ago
Shijian 30 A-C
Launch Area 4 (SLS-2 / 603) - Jiuquan Satellite Launch Center, People's Republic of China

3 Chinese satellites described as for “Space Environment Measurements” purposes. Actual usage not known.


Falcon 9
Success
6 days, 21 hours ago
Starlink Group 6-94
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.


Electron
Success
1 week ago
Prometheus Run (VAN)
Rocket Lab Launch Complex 2 (Launch Area 0 C) - Wallops Flight Facility, Virginia, USA

Sub-orbital launch under Rocket Lab’s Hypersonic Accelerator Suborbital Test Electron (HASTE) program. This mission was lead by MDA and deployed a…