HTV-X

HTV-X
Manufacturer	Mitsubishi Heavy Industries
Country of origin	Japan
Operator	JAXA
Applications	ISS resupply
Specifications
Spacecraft type	Cargo
Launch mass	16,000 kg (35,000 lb)
Payload capacity	Pressurised: 4,070 kg (8,970 lb); Unpressurised: 1,750 kg (3,860 lb)
Volume	Pressurised: 78 m3 (2,800 cu ft)
Power	3 kW
Design life	6 months (berthed to ISS); 1.5 years (after departure from ISS);
Dimensions
Length	8 m (26 ft)
Diameter	4.4 m (14 ft)
Production
Status	In development
Maiden launch	NET October 2025
Related spacecraft
Derived from	H-II Transfer Vehicle
Launch vehicle	H3

New Space Station Resupply Vehicle (新型宇宙ステーション補給機, Shingata Uchū Sutēshon Hokyūki), tentatively called HTV-X, is an expendable Japanese cargo spacecraft under development by Japan Aerospace Exploration Agency (JAXA) to be used for International Space Station (ISS) resupply missions, as the successor of H-II Transfer Vehicle (HTV). As of April 2025, the first flight is planned to be launched no earlier than October 2025.

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