Launch Schedule of MICHIBIKI No. 5, Quasi-Zenith Satellite System (QZS-5) aboard H3 Launch Vehicle flight No.8 [Rescheduled]
December 13, 2025 (JST)
Japan Aerospace Exploration Agency
Japan Aerospace Exploration Agency (JAXA) had previously postponed the launch of the Quasi-Zenith Satellite System "Michibiki No. 5" aboard H3 Launch Vehicle flight No.8 due to the occurrence of a need to check onboard equipment (IMU*1) on the 2nd stage. However, following an investigation, the cause has been identified and corrective measures have been completed.
Based on the above, the new launch date for H3 Launch Vehicle flight No.8 has been rescheduled as follows:
| Launch date | : December 17, 2025 |
|---|---|
| Launch Window | : 11:00 (JST) through 12:00 (JST) *2 The time is the 24-hour clock |
| Reserved Launch Period | : December 18, 2025 through January 31, 2026 |
| Launch site | : Yoshinobu Launch Complex at the JAXA Tanegashima Space Center |
*1 IMU：Inertial Measurement Unit
*2 Launch time during the reserved launch period will vary.