Long March 4C — mission imagery
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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

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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
Launches612
Successes589

Provider

China Aerospace Science and Technology Corporation

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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

Mission Timeline

14 / 14100%

Ground vector

Launch site

Site locked

Launch Area 94 (SLS-2 / 603)

Jiuquan Satellite Launch Center, People's Republic of China

Global range
SITE LOCK
Latitude
40.960°N
Longitude
100.298°E

Range Weather

Launch commit criteria

Clear
Watch
TrackingNo active constraints
Weather Rules

Tracking no weather issues at this time.

Primary concern
No weather issues
Rule count
0
Temperature
Not reported
Surface wind
Not reported
Window

04:02 AM UTC - 04:24 AM UTC

Delay History

1
Apr 17Apr 17Success → Success

Schedule updated