Earth Science
China Aerospace Science and Technology Corporation(CASC)GovernmentDaqi-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.
Orbital Attempt
#7,262
CASC Mission
#585
Pad Launch
#136
Location Launch
#283
Designator
2026-084
Apr 17, 2026, 4:10 AM
Minute
2 updates
4:02 AM
Window Open
4:24 AM
Window Close
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.
Reusable
No
Maiden Flight
2006
Fastest Turnaround
8d 18h
Total Launches
60
Successful
58
Failed
2
Consecutive Success
34
Maiden flight: Apr 26, 2006
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.
Founded
1999
Administrator
Chairman & President: Lei Fanpei
Total Launches
592
Successful
577
Failed
15
Pending
9
Consecutive Success
18
Jiuquan Satellite Launch Center is a Chinese spaceport located between the Ejin, Alxa, Inner Mongolia and Hangtian Town, Jinta County, Jiuquan, Gansu Province. It is part of the Dongfeng Aerospace City (Base 10).
Timezone
Asia/Shanghai
Local Launch Time
Apr 17, 2026, 12:10 PM
Total Launches
286
Total Landings
2
Coordinates
40.9581, 100.2911