Michibiki 5 (QZS-5)

Mission

Michibiki 5 (QZS-5) on H3-22. Mon 22 Dec 2025, 01:51:30 UTC. Reported outcome: Failure. Launch site: Yoshinobu Launch Complex LP-2. Source: Launch Library 2.

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. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a three-spacecraft constellation. The navigation system objective is to broadcast GPS-interoperable and augmentation signals as well as original Japanese (QZSS) signals from a three-spacecraft constellation in inclined, elliptical geosynchronous orbits.

Mission type

Navigation

Orbit

Geosynchronous Transfer Orbit

Launch timeline

Times are relative to liftoff. Clock times are not shown while T-0 is unconfirmed or on hold.

1. T-0

   Liftoff

   First upwards movement of the rocket

2. T+1 min 56 s

   Booster Separation

   The side boosters are separated from the launcher.

3. T+3 min 45 s

   Fairing Separation

   Separation of the payload fairing

4. T+4 min 59 s

   MECO

   Cut-off of the main engine

5. T+5 min 7 s

   Stage 2 Separation

   Separation of the second stage from the first

6. T+5 min 20 s

   SES-1

   First start of the second engine

7. T+12 min 48 s

   SECO-1

   First cut-off of the second engine

8. T+24 min 46 s

   SES-2

   Second start of the second engine

9. T+29 min 5 s

   SECO-2

   Second cut-off of the second engine

10. T+29 min 26 s

    Payload Separation

    Final deployment of the payload from the rocket

Slip history

Changes recorded by Space Right Now

No changes since we started tracking on Sat 10 Oct 2026, 11:18 UTC.

Launch pad

Yoshinobu Launch Complex LP-2

Tanegashima Space Center, Japan (JP)

Coordinates: 30.400938, 130.97564