H3 Launch Vehicle flight No.6, the first flight of the H3 30 configuration, carried the Vehicle Evaluation Payload-5 (VEP-5) test payload. The vehicle flew as planned and the second stage reached its planned orbit. Small secondary payloads PETREL and STARS-X separated about 16 minutes after liftoff, and separation signals were also sent to BRO-22, VERTECS, HORN-L and HORN-R.

The launch date was Friday, June 12, 2026 at 12:53 AM (UTC).

STARS-X

BRO 22

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Provider	JAXA
Vehicle	H-3
Location	LA-Y2 Tanegashima Space Center Japan
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 —
Date
— Window Opens —
Date
Time
Launch Date	Friday, June 12, 2026
Launch Time	12:53 AM (UTC)
Launch Time (Pad)
— Planned T-0 —
Date
Time
— Window Closes —
Date
Time
Result	Success
COSPAR ID	2026-132

Test Flight

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