Success

Daqi-2 (AEMS)

Long March 4CChina Aerospace Science and Technology CorporationLaunch Area 94 (SLS-2 / 603)

Friday, April 17, 2026 · 04:10 AM UTCAdd to Calendar

This mission is complete.

Vehicle

Long March 4C

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, Taiyu...

HeightN/A

LEO PayloadN/A

Launches600

Successes575

Provider

China Aerospace Science and Technology Corporation

Profile →

CHN • Founded 1999

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 manufactu...

Mission Brief

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.

PayloadDaqi-2 (AEMS)

OrbitSun-Synchronous Orbit

CustomerChina Aerospace Science and Technology Corporation

Stages3

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