HTV-X1
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| Mission type | ISS resupply |
|---|---|
| Operator | JAXA |
| Spacecraft properties | |
| Spacecraft | HTV-X1 |
| Spacecraft type | HTV-X |
| Manufacturer | MHI |
| Start of mission | |
| Launch date | October 2025[1] (planned) |
| Rocket | H3-24W[2]F7 |
| Launch site | Tanegashima LA-Y2 |
| Contractor | MHI |
| Berthing at ISS | |
HTV-X1 is the first flight and the technical demonstration mission of HTV-X, an uncrewed expendable cargo spacecraft. As of 2024[update], it is intended to be launched in 2025 to resupply the International Space Station (ISS).[3]
Cargo
[edit]In the pressurised compartment, HTV-X1 carries the following cargo:[4]
- foods
- DRCS (Demonstration of Removing Carbon-dioxide System)
- NORS (Nitrogen/Oxigen Recharge System) tank
- RST (Water Resupply Tank)
As unpressurised cargo, HTV-X1 carries following cargo:
- i-SEEP, an exposed experiment platform
In addition to the primary mission of carrying the resupply cargo to the ISS, HTV-X1 carries the following payloads:[2]
- DELIGHT, a technology demonstration of lightweight expandable flat antenna
- Mt.FUJI, a technology demonstration for satellite laser ranging
- H-SSOD, to deploy a CubeSat (Ten-Koh 2) after departure from ISS
References
[edit]- ^ "HTV-X1". Next Spaceflight. Retrieved 2024-10-26.
- ^ a b 新型宇宙ステーション補給機（HTV‐X）の開発状況について (PDF) (in Japanese). Ministry of Education, Culture, Sports, Science. 9 February 2021. Retrieved 4 March 2021.
- ^ "宇宙基本計画⼯程表 (令和５年度改訂)" [Basic Plan on Space Policy (2023 Revision)] (PDF) (in Japanese). Cabinet Office. 22 December 2023. p. 45. Archived (PDF) from the original on 25 December 2023. Retrieved 26 December 2023.
- ^ 新型宇宙ステーション補給機（HTV-X）1号機の開発状況 (PDF) (in Japanese). JAXA. 2 June 2025. Retrieved 2 June 2025.
External links
[edit]H-II Transfer Vehicle (Kounotori) spaceflights | ||
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| HTV missions |  | |
| HTV-X missions | ||
| See also | ||
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| 2000–2004 |  | |
| 2005–2009 | ||
| 2010–2014 | ||
| 2015–2019 | ||
| 2020–2024 | ||
| 2025–2029 | ||
| Future | ||
| Spacecraft | ||
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