Aurora
Tuning into the cosmos…
LoadingH3-24
H3-24 | Martian Moon eXplorer (MMX)
H3-24 is set to launch H3-24 | Martian Moon eXplorer (MMX) on Mon, Oct 19, 2026, 07:41 PM UTC from Tanegashima Space Center, Japan.
Go for LaunchMitsubishi Heavy Industries
Liftoff in
38days
11hrs
09min
NET Mon, Oct 19, 2026, 07:41 PM UTC
Mission profile
The flight at a glance
H3-24Vehicle
Mitsubishi Heavy IndustriesProvider
Yoshinobu Launch Complex LP-2Pad
Tanegashima Space Center, JapanLocation
Planetary ScienceMission type
Mars OrbitOrbit
Flight sequence
Mission timeline
Key events from liftoff — ignition, staging, separation and deployment — with their times relative to T0.
- LiftoffT+ 00:00:00
- Boosters SeparationT+ 00:01:56
- Boosters SeparationT+ 00:01:58
- Fairing SeparationT+ 00:03:17
- MECOT+ 00:04:52
- Stage 2 SeparationT+ 00:04:59
- SES-1T+ 00:05:12
- SECO-1T+ 00:10:40
- SES-2T+ 01:03:57
- SECO-2T+ 01:10:21
- Payload SeparationT+ 01:11:12
Flight simulation
Ascent to orbit
A representative gravity-turn climb for H3-24 to Mars Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 18:20
SimulatedRepresentative H3-24 ascent profile — illustrative model, not this mission’s live telemetry.
The mission
Martian Moon eXplorer (MMX)
MMX is a Japanese scientific mission to land on Phobos, one of the two moons of Mars, to collect samples before bringing them back to Earth. The mission includes a small French/German rover to explore the surface of Phobos.
Around this launch
Related news
No news linked to this launch yet
As coverage publishes, deduplicated articles about this mission will appear here.
Good to know
Frequently asked
What time does H3-24 | Martian Moon eXplorer (MMX) launch?
H3-24 | Martian Moon eXplorer (MMX) is scheduled to lift off Mon, Oct 19, 2026, 07:41 PM UTC — this page shows a live countdown.
Where can I watch H3-24 | Martian Moon eXplorer (MMX)?
A live webcast will appear on this page as soon as the provider publishes a stream link.
Who is launching H3-24 | Martian Moon eXplorer (MMX)?
H3-24 | Martian Moon eXplorer (MMX) is an Mitsubishi Heavy Industries mission flying on a H3-24.
Where does H3-24 | Martian Moon eXplorer (MMX) launch from?
It lifts off from Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan.