Yaogan 53-01 to 03/56-01 to 03

Overview

Destination: Low Earth Orbit
Mission: Government/Top Secret

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

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

Updates

Cosmic_Penguin • Sept. 2, 2026, 1:12 p.m.

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


Cosmic_Penguin • Sept. 7, 2026, 4:31 p.m.

Delayed to September 10 per new NOTAMs.


Cosmic_Penguin • Sept. 10, 2026, 10 a.m.

Launch success.


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: 601 Failures: 16 Pending: 7

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: Soyuz, CZ-8A, and Falcon 9 to launch from sites around the world

Five orbital launches are expected this week. Two Falcon 9s are expected to launch from… The post Launch Preview: Soyuz, CZ-8A, and Falcon 9 to launch from sites around the world appeared first on NASASpaceFlight.com.

Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 94 (SLS-2 / 603)


Starship
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Orbital Launch Pad 2 - SpaceX Starbase, TX, USA

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Falcon 9
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4 days, 7 hours ago
USSF-385
Space Launch Complex 4E - Vandenberg SFB, CA, USA

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Electron
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4 days, 20 hours ago
Owlright, Owlright, Owlright (StriX Launch 13)
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Long March 6A
Success
6 days, 12 hours ago
Yaogan 40 Group 04
Launch Complex 9A - Taiyuan Satellite Launch Center, People's Republic of China

3 Chinese reconnaissance satellites of unknown purposes, officially reported as for "Electromagnetic environment probing".


Long March 8A
Success
1 week ago
SatNet LEO Group 26
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.…


Kinetica 1
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1 week, 3 days ago
9 satellites
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Falcon 9
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1 week, 3 days ago
Starlink Group 15-27
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.


Long March 2D
Success
1 week, 4 days ago
PIESAT-2 13-16
Launch Complex 9 - Taiyuan Satellite Launch Center, People's Republic of China

4 X-band synthetic-aperture radar Earth observation satellites for the Chinese Earth observation satellite company PIESAT.


Electron
Success
1 week, 4 days ago
Owl By The Dozen (StriX Launch 12)
Rocket Lab Launch Complex 1B - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

Synthetic aperture radar satellite for Japanese Earth imaging company Synspective.


Soyuz 2.1b/Fregat-M
Success
1 week, 6 days ago
Glonass-K1 No. 20 (?)
43/3 (43L) - Plesetsk Cosmodrome, Russian Federation

Note: Satellite serial number and Cosmos designation not confirmed. Glonass-K are the third generation of satellite design for GLONASS satellite n…