Yaogan 53-07 to 09/56-19 to 21

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 • Oct. 23, 2026, 9:35 p.m.

Launch success.


Cosmic_Penguin • Oct. 17, 2026, 1:59 p.m.

Refined launch window per new NOTAMs.


Cosmic_Penguin • Oct. 15, 2026, 9:06 p.m.

Added launch per NOTAMs; Launch vehicle and payload identities extremely 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: 604 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
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Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 94 (SLS-2 / 603)


Falcon 9
In Flight
4 minutes ago
Starlink Group 15-15
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 4B
Success
3 hours, 28 minutes ago
Yaogan 53-07 to 09/56-19 to 21
Launch Area 94 (SLS-2 / 603) - Jiuquan Satellite Launch Center, People's Republic of China

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


Long March 6A
Success
12 hours, 38 minutes ago
Yaogan 50-03
Launch Complex 9A - Taiyuan Satellite Launch Center, People's Republic of China

The Yaogan 50-03 is a Chinese military “remote sensing” satellite of unknown purposes.


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15 hours, 42 minutes ago
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2 days, 19 hours ago
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1 week ago
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1 week, 2 days ago
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Launch Area 96A - Jiuquan Satellite Launch Center, People's Republic of China

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1 week, 3 days ago
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