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 |
|
| 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.