🇯🇵 [JAXA / MHI] Michibiki 5 launch thread

Scheduled for (UTC) 2025-12-22 01:51
Scheduled for (local) 2025-12-22 10:51 (JST)
Launch site LA-Y2, Tanegashima Space Center, Japan.
Launch vehicle H3-22S
Launch provider Mitsubushi Heavy Industries / JAXA
Mission success criteria Successful launch and deployment of Michibiki 5 into Geostationary Transfer Orbit

Livestreams

Stream Link
JAXA webcast (English)  
JAXA webcast (Japanese) https://youtube.com/watch?v=p9WlvRyJaW0 (scrub)
The Launch Pad https://youtube.com/watch?v=BgOowvKVD7U (scrub)

Stats

☑️ 3rd H3 launch this year, 7th overall

Payload info (NextSpaceflight)

Michibiki 5

QZSS (Quasi Zenith Satellite System) is a Japanese satellite navigation system operating from inclined, elliptical geosynchronous orbits to achieve optimal high-elevation visibility in urban canyons and mountainous areas, as well as from geostationary orbits. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a seven-spacecraft constellation.

15 points · 7 comments · view on lemmy.world

7 Comments

ludu@sh.itjust.works · 2 pts · 242d (1 reply)

Sad to see it fail… not the みちびき we wanted.

threelonmusketeers@sh.itjust.works · 2 pts · 242d

https://global.jaxa.jp/press/2025/12/20251222-2_e.html

the second stage engine’s second ignition failed to start normally and shut down prematurely

Dang. Not the best way for H3 to round out the year.

threelonmusketeers@sh.itjust.works · 1 pts · 245d

Launch postponed to Dec 22.

threelonmusketeers@sh.itjust.works · 1 pts · 243d

Liftoff!

threelonmusketeers@sh.itjust.works · 1 pts · 71d
threelonmusketeers@sh.itjust.works · 1 pts · 243d

SRB separation.

threelonmusketeers@sh.itjust.works · 1 pts · 243d

Stage 1 cutoff and separation, stage 2 ignition.