Daqi-2 (AEMS)

Overview

Destination: Sun-Synchronous Orbit
Mission: Earth Science

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

Daqi-2 (DQ-2), also known as the Atmospheric Environment Monitoring Satellite/AEMS, is the second of follow-on series of Chinese satellites to the GF-5 series for high resolution atmospheric environment monitoring of greenhouse gases, such as atmospheric aerosol and carbon dioxide.

Updates

Cosmic_Penguin • April 17, 2026, 5:14 a.m.

Launch success.


Cosmic_Penguin • April 10, 2026, 5:10 p.m.

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


Long March 4C

Family:
Configuration: C

The Long March 4C, also known as the Chang Zheng 4C, CZ-4C and LM-4C, previously designated Long March 4B-II, is a Chinese orbital carrier rocket. It is launched from the Jiuquan, Taiyuan Satellite Launch Centre and Xichangs, and consists of 3 stages. Long March 4C vehicles have been used to launch the Yaogan-1, Yaogan-3 SAR satellites and the Fengyun-3A polar orbiting meteorological satellite. On December 15, 2009 a Long March 4C was used to launch Yaogan 8.

Specifications
  • Stages
    3
  • Length
    ―
  • Diameter
    ―
  • Fairing Diameter
    ―
  • Launch Mass
    ―
  • Thrust
    ―
Family
  • Name
    Long March 4C
  • Family
    ―
  • Variant
    C
  • Alias
    ―
  • Full Name
    Long March 4C
Payload Capacity
  • Launch Cost
    ―
  • Low Earth Orbit
    ―
  • Geostationary Transfer Orbit
    ―
  • 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: 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
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Jiuquan Satellite Launch Center, People's Republic of China

Launch Area 94 (SLS-2 / 603)


Long March 12
Success
2 hours, 36 minutes ago
SatNet LEO Group 29
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43/3 (43L) - Plesetsk Cosmodrome, Russian Federation

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Falcon 9
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USSF-432
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1 day, 23 hours ago
4 satellites
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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
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SpaceSail Polar Group #17
Launch Area 140 - Jiuquan Satellite Launch Center, People's Republic of China

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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

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