Name: Shijian 31 launch
Start: 2026-06-16T09:45:00+00:00
End: 2026-06-16T10:23:00+00:00
Location: Launch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China

Mission brief

The mission

Classified experimental Chinese satellite of unknown purposes (officially described for "spatial environment detection" purposes).

PayloadShijian 31

OrbitElliptical Orbit

CustomerChina Aerospace Science and Technology Corporation

Stages3

PadLaunch Complex 2 (LC-2), Xichang Satellite Launch Center, People's Republic of China

Flight plan

Mission timeline

14 / 14100%

The range

Where it leaves Earth

Launch site

Ground vector

Site locked

Launch Complex 2 (LC-2)

Xichang Satellite Launch Center, People's Republic of China

Global range

Latitude: 28.246°N
Longitude: 102.027°E

Can I see this?

Distance and a plain visibility call from a place you choose. Trajectory is not modeled — night launches travel farther across the sky than daylight ones.

Save a viewing place to judge this pad from where you stand.

Range weather

Launch commit criteria

Clear

Watch

TrackingNo active constraints

Weather rules

Clear — tracking no weather issues at this time.

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

Window

09:37 AM UTC – 10:23 AM UTC

Hardware

Vehicle & provider

Vehicle

Long March 3B/E

Profile →

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 o...

Height56.3 m

LEO Payload12,000 kg

Launches624

Successes601

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...

Reliability