https://global.jaxa.jp/press/2025/10/20251008-1_e.html
ЦитироватьLaunch Schedule of the H3 Launch Vehicle No.8 (H3 F8) which carries aboard MICHIBIKI No.5
The launch schedule of MICHIBIKI No.5, Quasi-Zenith Satellite System (QZS-5) aboard the 8th H3 Launch Vehicle (H3 F8: Flight No.8 ) as follows.
Launch date : December 7, 2025
Launch Window : 11:30 (JST) through 12:30 (JST)*
The time is the 24-hour clock
Reserved Launch Period : December 8, 2025 through January 31, 2026
Launch site : Yoshinobu Launch Complex at the JAXA Tanegashima Space Center
* Launch time during the reserved launch period will vary.
https://global.jaxa.jp/press/2025/12/20251203-1_e.html
ЦитироватьLaunch Postponement of MICHIBIKI No. 5, Quasi-Zenith Satellite System (QZS-5) aboard the 8th H3 Launch Vehicle (H3 F8)
December 3, 2025 (JST)
Japan Aerospace Exploration Agency
The launch of MICHIBIKI No. 5, Quasi-Zenith Satellite System (QZS-5) aboard the 8th H3 Launch Vehicle (H3 F8) which was scheduled on December 7, 2025(JST), has been postponed due to the occurrence of a need to check onboard equipment (IMU*1) on the 2nd stage.
The new launch date will be announced once confirmed.
*1
IMU：Inertial Measurement Unit
Отложен для проверки прибора второй ступени. Новую дату объявят позже.
https://x.com/GewoonLukas_/status/1996213986820313460
ЦитироватьLukas C. H. @GewoonLukas_
The launch of the QZS-5 navigation satellite (nicknamed Michibiki-5) aboard H3-F8 has been delayed due to additional checks that are needed on an Inertial Measurement Unit on the Second Stage. A new launchdate has not yet been announced.
QZS-5 Encapsulation
(https://img.novosti-kosmonavtiki.ru/389706.jpg)