Earth orbit
HTV-X1
HTV-X1 is catalogued by GCAT as a human-spaceflight mission in the HTV program.
Completed or retired · Historical mission record
View in 3D map ↗Overview
The mission
HTV-X1 is catalogued by GCAT as a human-spaceflight mission in the HTV program. This reconstructed record groups 1 GCAT payload or flight element under launch 2025-241; fields not present in GCAT are intentionally left unset.
Launch profile
The launch
- Launch
- 26 October 2025, 00:00:15 UTC
- Launch location
- Tanegashima Space Center, Tanegashima, Nippon
- Launch vehicle
- H3-24W
- Orbit
- Lower low Earth orbit (inclined)
Flight data
Launch intelligence
A JAXA H-3 rocket was set to launch the HTV-X1 mission on Sunday, October 26, 2025 at 12:00 AM (UTC).
- Launch provider
- JAXA
- Vehicle
- H-3
- COSPAR launch ID
- 2025-241
- Flight profile
- Orbital
- Launch result
- Not set
- Window opens
- Oct 26, 2025, 00:00 UTC
- Target T-0
- Oct 26, 2025, 00:00 UTC
- Window closes
- Not published
- Provider display
- Oct 26 2025
- Pad and location
- LA-Y2, Tanegashima Space Center
Watch and follow
Launch media
Trajectory
Mission timeline
Interactive playback
Play trajectory in 3D ↗Follow the mission through its available trajectory data in the full 3D solar-system map.
Mission outcomeOpen outcome source ↗
Mission ended — Completed or retired
Operations concluded · 26 May 2026
Historical mission record
GCAT records the primary mission element as completed or no longer operational.
Hardware
Spacecraft
HTV-X1
GCAT program: HTV.
- GCAT ID
- S66174
- Manufacturer
- MHITO?
- Launch mass
- 10,000 kg
- Propulsion
- HBT-5 x 4
- Dimensions
- 8 m long · 4.4 m diameter · 18.2 m span
Visual archive
Gallery
One image from HTV-X1.
Verification
Community discussion
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