CHINA AEROSPACE SCIENCE AND TECHNOLOGY CORPORATION

Long March 4B | Shijian 26

SUCCESSMay 29, 2025 at 04:12 UTCLong March 4B →
PADLaunch Area 94 (SLS-2 / 603)
SITEJiuquan Satellite Launch Center, People's Republic of China →
ORBITSun-Synchronous Orbit
TYPEGovernment/Top Secret

Chinese experimental satellite claimed to be for “Earth observation & environmental management” purposes, details not known.

MISSION
Shijian 26
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Sun-Synchronous Orbit
COUNTRY
CHN
CONFIRMED
LAUNCH LIBRARY 2 PRIMARY
API ID: 1e034f32-7384-4dd8-ba07-fe284fd8519e
Reported date: May 29, 2025 at 04:12 UTC
Last synced: 5 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
China Aerospace Science and Technology Corporation
VARIANT
B
FLIGHTS
56
SUCCESSES
55
SUCCESS RATE
98.2%

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.

When is the Long March 4B | Shijian 26 launch?
The Long March 4B | Shijian 26 is scheduled for Thursday, May 29, 2025 at 4:12 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Shijian 26?
The Long March 4B | Shijian 26 mission uses the Long March 4B rocket, manufactured by China Aerospace Science and Technology Corporation. The Long March 4B has flown 56 times with a 98.2% success rate.
Where is the Long March 4B | Shijian 26 launching from?
The launch takes place from Launch Area 94 (SLS-2 / 603) at Jiuquan Satellite Launch Center, People's Republic of China.
What orbit is Shijian 26 going to?
The Shijian 26 mission is targeting Sun-Synchronous Orbit.
Who is launching Shijian 26?
The Long March 4B | Shijian 26 is operated by China Aerospace Science and Technology Corporation.
Can I watch the Long March 4B | Shijian 26 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 25, 2026 00:39 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 25, 2026 00:39 UTC
Launch date set: May 29, 2025 at 04:12 UTC
NET (No Earlier Than) confirmed by China Aerospace Science and Technology Corporation
Mar 25, 2026 00:39 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 5 minutes ago
Launch Library 25 minutes ago
Launch ID: 1e034f32-7384-4dd8-ba07-fe284fd8519e
Open-Meteo Weather14 hours ago
Pad weather at 40.96, 100.3

Mission Profile

Shijian 26 was a Long March 4B mission operated by China Aerospace Science and Technology Corporation that lifted off from Launch Area 94 (SLS-2 / 603), Jiuquan Satellite Launch Center, People's Republic of China on May 29, 2025. The flight carried its payload on a government/top secret mission to Sun-Synchronous Orbit. The launch was a success.