HTV-X2
| Mission type | ISS resupply |
|---|---|
| Operator | JAXA |
| Spacecraft properties | |
| Spacecraft type | HTV-X |
| Manufacturer | Mitsubishi Heavy Industries |
| Dimensions | 8.0 × 4.4 m (26.2 × 14.4 ft) |
| Start of mission | |
| Launch date | July 2026 (planned)[1] |
| Rocket | H3-24W |
| Launch site | Tanegashima, LA-Y2 |
| Contractor | Mitsubishi Heavy Industries |
| Berthing at ISS | |
| Berthing port | Harmony nadir |
HTV-X2 is the second flight of HTV-X, an uncrewed expendable cargo spacecraft to resupply International Space Station. It is planned to be launched in July 2026.
Payload
[edit]As of 2021[update], HTV-X2 was planned to carry JAXA Docking System (JDS) in the unpressurised cargo section, which is compatible with International Docking System Standard (IDSS). It is planned to demonstrate automated docking to the Pressurized Mating Adapter (PMA) at Harmony zenith port after release from berthing at the Harmony nadir port.[2][3] However, the mission may be carried over to a later flight of HTV-X.[4]
References
[edit]- ^ "HTV-X2". Next Spaceflight. Retrieved 2026-05-24.
- ^ Sasaki, Takahiro; et al. (26 July 2021). Proximity Operation and Guidance Navigation and Control Design for HTV-X Automated Docking Demonstration Mission. The 31th Workshop on JAXA Astrodynamics and Flight Mechanics 2021. Online.
- ^ Hidaka, Moeko; et al. (26 July 2021). ISS Fly Around Strategy for Automated Docking of HTV-X. The 31th Workshop on JAXA Astrodynamics and Flight Mechanics 2021. Online.
- ^ 渡部 韻 (26 September 2025). 新型宇宙ステーション補給機（HTV-X）運用概要と主な搭載品に関するメディア向けミッション勉強会 (in Japanese). Space Authors Club. Retrieved 9 November 2025.
External links
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