Aurora
Tuning into the cosmos…
LoadingH3-24
H3-24 | HTV-X3
H3-24 is set to launch H3-24 | HTV-X3 on Thu, Dec 31, 2026, 12:00 AM UTC from Tanegashima Space Center, Japan.
To Be DeterminedMitsubishi Heavy Industries
Liftoff inNET Dec 2026
NET Thu, Dec 31, 2026, 12:00 AM UTC
Mission profile
The flight at a glance
H3-24Vehicle
Mitsubishi Heavy IndustriesProvider
Yoshinobu Launch Complex LP-2Pad
Tanegashima Space Center, JapanLocation
International Space StationProgram
ResupplyMission type
Low Earth OrbitOrbit
Flight simulation
Ascent to orbit
A representative gravity-turn climb for H3-24 to Low Earth Orbit. Illustrative model — not this mission’s live telemetry.
Mission timeT+0:00
Altitude0.0 km
Velocity0.00 km/s
PhaseLiftoff
T+0:00 / 8:30
SimulatedRepresentative H3-24 ascent profile — illustrative model, not this mission’s live telemetry.
The mission
HTV-X3
Third flight of the upgraded Japanese HTV-X spacecraft designed to resupply the International Space Station.
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 | HTV-X3 launch?
H3-24 | HTV-X3 is scheduled to lift off Thu, Dec 31, 2026, 12:00 AM UTC — this page shows a live countdown.
Where can I watch H3-24 | HTV-X3?
A live webcast will appear on this page as soon as the provider publishes a stream link.
Who is launching H3-24 | HTV-X3?
H3-24 | HTV-X3 is an Mitsubishi Heavy Industries mission flying on a H3-24.
Where does H3-24 | HTV-X3 launch from?
It lifts off from Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan.