Name: Shijian 31 — Long March 3B Launch
Start: 2026-06-16T09:45:00Z
Location: LC-2, Xichang Satellite Launch Center

Shijian-31 is a Chinese experimental satellite that is mainly used for space environment detection. It was designed and built by the Shanghai Academy of Spaceflight Technology, a subsidiary of China Aerospace Science and Technology Corporation. Its launch was the 651st flight of the Long March rocket family.

The launch date was Tuesday, June 16, 2026 at 9:45 AM (UTC).

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Provider	CASC
Vehicle	Long March 3B
Location	LC-2 Xichang Satellite Launch Center China
All dates and times should be submitted in UTC timezone. Use Estimated Date if you don't know the official launch date and time; otherwise, use Window Opens/Closes and/or Planned T-0, which will override the Estimated Date.
— Estimated Date —
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— Window Opens —
Date
Time
Launch Date	Tuesday, June 16, 2026
Launch Time	9:45 AM (UTC)
Launch Time (Pad)
— Planned T-0 —
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Time
— Window Closes —
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Result	Success
COSPAR ID	2026-136

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