Shiyan 33

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 satellite reported to be for "space environment research" purposes. Actual usage not known.

Updates

Cosmic_Penguin • March 27, 2026, 5:05 a.m.

Launch success.


Cosmic_Penguin • March 26, 2026, 3:09 a.m.

Updated possible launch vehicle identity per newest information.


Cosmic_Penguin • March 23, 2026, 11:44 p.m.

Change in possible launch vehicle identification based on possible information.


Cosmic_Penguin • March 22, 2026, 5:59 p.m.

Changed tentative launch vehicle identification based on evidence of new drop zones.


Cosmic_Penguin • March 21, 2026, 8:25 p.m.

Added launch per NOTAMs; Launch vehicle and payload identities highly uncertain.


Long March 2C/YZ-1S

Family:
Configuration: C/YZ-1S

The Long March 2C is a family of expendable launch vehicles made and operated by China. It is a two stage launch vehicle with storable propellants, consisting of Nitrogen Tetroxide and Unsymmetrical Dimethylhydrazine.

Specifications
  • Stages
    3
  • Length
    42.0 m
  • Diameter
    3.35 m
  • Fairing Diameter
    3.35 m
  • Launch Mass
    233.0 T
  • Thrust
    2962.0 kN
Family
  • Name
    Long March 2C/YZ-1S
  • Family
    ―
  • Variant
    C/YZ-1S
  • Alias
    ―
  • Full Name
    Long March 2C/YZ-1S
Payload Capacity
  • Launch Cost
    ―
  • Low Earth Orbit
    3850.0 kg
  • Geostationary Transfer Orbit
    1250.0 kg
  • Direct Geostationary
    ―
  • Sun-Synchronous Capacity
    1400.0 kg

China Aerospace Science and Technology Corporation

China Aerospace Science and Technology Corporation

(CASC)

Chairman & President: Lei Fanpei Founded: 1999 Successes: 607 Failures: 16 Pending: 8

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
NASASpaceflight

Launch Preview: Russia to debut Soyuz-5; Falcon 9 and Atlas V to launch internet satellites

The United States, Russia, China, New Zealand, and Norway are all set to host launches… The post Launch Preview: Russia to debut Soyuz-5; Falcon 9 and Atlas V to launch internet satellites appeared first on NASASpaceFlight.com.

Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 94 (SLS-2 / 603)


Long March 12
Success
3 hours, 14 minutes ago
SatNet LEO Group 29
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Soyuz 2.1b/Fregat-M
Success
1 day, 10 hours ago
Glonass-K1? (Kosmos 2621?)
43/3 (43L) - Plesetsk Cosmodrome, Russian Federation

Note: Payload identity uncertain. Glonass-K are the third generation of satellite design for GLONASS satellite navigation system. GLONASS is a Rus…


Falcon 9
Success
1 day, 22 hours ago
USSF-432
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites based on SpaceX’s Starshield satellite bu…


Ceres-2
Success
2 days ago
4 satellites
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Share-ride of 4 commercial Earth observation and technology demonstration satellites to SSO, details TBD.


Long March 2C
Success
3 days, 7 hours ago
Yaogan 51-07 to 09
Launch Complex 3 (LC-3/LA-1) - Xichang Satellite Launch Center, People's Republic of China

3 Chinese military “remote sensing” satellite of unknown purposes.


Kinetica 2
Success
5 days, 23 hours ago
SpaceSail Polar Group #17
Launch Area 140 - Jiuquan Satellite Launch Center, People's Republic of China

18 Low Earth Orbit communication satellites with Ku, Q and V band payloads for the G60 constellation operated by Shanghai Spacesail Technologies with…


Electron
Success
6 days, 6 hours ago
The Sea God Surveys (iQPS Launch 9)
Rocket Lab Launch Complex 1A - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

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Falcon 9
Success
1 week, 1 day ago
Starlink Group 15-18
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.


GSLV Mk II
Success
1 week, 2 days ago
IRNSS-1L (NVS-03)
Satish Dhawan Space Centre Second Launch Pad - Satish Dhawan Space Centre, India

This is a replacement satellite for the Indian Regional Navigation Satellite System. The constellation will provide India with an alternative to GPS …


Falcon 9
Success
1 week, 5 days ago
Starlink Group 15-16
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.