CHINA AEROSPACE SCIENCE AND TECHNOLOGY CORPORATION
Long March 3B/E | Shijian 31
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Jun 16, 2026 at 09:45 UTC
▸ Flight profile›
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PADLaunch Complex 2 (LC-2)
SITEXichang Satellite Launch Center, People's Republic of China →ORBITElliptical Orbit
TYPEGovernment/Top Secret
MISSION OVERVIEW
Classified experimental Chinese satellite of unknown purposes (officially described for “spatial environment detection” purposes).
LAUNCH DETAILS
VEHICLE
Long March 3B/EMISSION
Shijian 31
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Elliptical Orbit
LAUNCH PAD
Launch Complex 2 (LC-2)COUNTRY
CHN
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Half-year
LAUNCH LIBRARY 2 PRIMARY
API ID: 0ff43072-5407-425b-8c8d-6bca068143b9
Reported date: Jun 16, 2026 at 09:45 UTC
Last synced: 2 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
SCHEDULE & STATUS HISTORY
STATUS CHANGEJun 16, 2026 at 11:33 UTC
GO → SUCCESS
Source: Launch Library 2
STATUS CHANGEJun 8, 2026 at 16:02 UTC
TBC → GO
Source: Launch Library 2
DELAYED(1.8 hrs)
Jun 8, 2026 at 16:02 UTCJun 16, 2026 08:00 → Jun 16, 2026 09:45 UTC
Source: Launch Library 2
LAUNCH MAP
PAD WEATHER
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VEHICLE — Long March 3B/E →
MANUFACTURER
China Aerospace Science and Technology Corporation
VARIANT
B/E
FLIGHTS
77
SUCCESSES
75
SUCCESS RATE
97.4%
The Long March 3B / E (G2) (CZ-3B / E) is one of the most successful medium-range launchers and the strongest variant of the CZ-3 series. It was specially developed for the transport of heavy communications satellites into a geostationary transfer orbit. The additional designation "E" stands for a higher payload fairing, stretched boosters and extended fuel tanks at the first stage, over the CZ-3B.
FREQUENTLY ASKED QUESTIONS
When is the Long March 3B/E | Shijian 31 launch?
The Long March 3B/E | Shijian 31 is scheduled for Tuesday, June 16, 2026 at 9:45 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 31?
The Long March 3B/E | Shijian 31 mission uses the Long March 3B/E rocket, manufactured by China Aerospace Science and Technology Corporation. The Long March 3B/E has flown 77 times with a 97.4% success rate.
Where is the Long March 3B/E | Shijian 31 launching from?
The launch takes place from Launch Complex 2 (LC-2) at Xichang Satellite Launch Center, People's Republic of China.
What orbit is Shijian 31 going to?
The Shijian 31 mission is targeting Elliptical Orbit.
Who is launching Shijian 31?
The Long March 3B/E | Shijian 31 is operated by China Aerospace Science and Technology Corporation.
Can I watch the Long March 3B/E | Shijian 31 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.
LAUNCH TIMELINE
Jun 22, 2026 14:08 UTC
Launch completed successfully
Updated via Launch Library 2
Jun 16, 2026 11:33 UTC
Status changed: GO u2192 SUCCESS
Launch completed successfully (via Launch Library 2)
Jun 8, 2026 16:02 UTC
Launch delayed by 1.8 hours
Jun 16, 2026 08:00 UTC u2192 Jun 16, 2026 09:45 UTC (via Launch Library 2)
Jun 8, 2026 16:02 UTC
Status changed: TBC u2192 GO
Launch GO for launch (via Launch Library 2)
Jun 4, 2026 16:02 UTC
Launch added to tracker
Imported from Launch Library 2 API
Jun 4, 2026 16:02 UTC
Launch date set: Jun 16, 2026 at 09:45 UTC
NET (No Earlier Than) confirmed by China Aerospace Science and Technology Corporation
LIVE DATA SOURCES
Last data sync: 2 minutes ago
●Launch Library 22 minutes ago
Launch ID: 0ff43072-5407-425b-8c8d-6bca068143b9
●Open-Meteo Weather16 hours ago
Pad weather at 28.25, 102.03
●X (Twitter) Search17 minutes ago
10 tweets
RECENT FROM X
1 week ago
ud83dudd2d LAUNCH TONIGHT u2014 T-6.1 hoursnud83dude80 Long March 3B/E | Unknown Payload | Long March 3B/Enud83dudccd LC-2 (LC-2)nud83dudcc5 Tue, Jun 16, 5:37 AM EDTnud83cudfaf ud83dudfe2 Go for launchnCheck your visibility now ud83dudc47nhttps://t.co/K876zOigk6 https://t.co/yDFg
1 ♥ 1 ↻
View on X →1 week ago
Long March 3B/E | Unknown Payload launch attempt from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China in 30min https://t.co/gOS24lQoGh
View on X →1 week ago
u23f1ufe0f T-MINUS 1 HOUR u2014 Long March 3B/E | Unknown Payloadnud83dude80 Long March 3B/Enud83dudcc5 Tue, Jun 16, 5:37 AM EDTnud83cudfaf ud83dudfe2 Go for launchnLast chance to check your spot ud83dudc47nhttps://t.co/K876zOigk6
View on X →1 week ago
One hour until the launch of Long March 3B/E | Unknown PayloadnnCheck the Next Spaceflight app or website for more info
View on X →1 week ago
u23f1ufe0f T-MINUS 1 HOUR u2014 Long March 3B/E | Unknown Payloadnud83dude80 Long March 3B/Enud83dudcc5 Tue, Jun 16, 5:37 AM EDTnud83cudfaf ud83dudfe2 Go for launchnLast chance to check your spot ud83dudc47nhttps://t.co/K876zOigk6 https://t.co/mRAuzpK1nb
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Mission Profile
Shijian 31 was a Long March 3B/E mission operated by China Aerospace Science and Technology Corporation that lifted off from Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China on June 16, 2026. The flight carried its payload on a government/top secret mission to Elliptical Orbit. The launch was a success.