MMX reportedly separated from H3 Flight 10 and entered orbit
JAXA announced that MMX launched on H3 Flight 10 and that normal separation and orbital insertion were confirmed. Liftoff was at 4:41:03 a.m. Japan Standard Time on October 20, 2026.

Normal separation about one hour eleven minutes after launch
According to JAXA, H3 Flight 10 launched MMX from Tanegashima Space Center at 4:41:03 a.m. Japan Standard Time on October 20, 2026. JAXA said the rocket flew as planned and confirmed MMX's separation and orbital insertion about 1 hour, 11 minutes and 13 seconds after launch.
The supplied report provides no comparable prior mission-state measurement or outcome.
JAXA reported that MMX was separated from H3 Flight 10 and inserted into orbit after launch.
If confirmed, the reported separation and orbital insertion mark a transition for MMX from launch to deployment in orbit.
Sources
- JAXA プレスリリースH3ロケット10号機による火星衛星探査機(MMX)の打上げ結果Read source →