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H-II Transfer Vehicle (HTV-1) approaching the ISS
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| Mission type | ISS resupply |
|---|---|
| Operator | JAXA |
| Spacecraft properties | |
| Spacecraft | Kounotori 9 |
| Spacecraft type | HTV |
| Manufacturer | MHI |
| Launch mass | 16,500 kg (36,400 lb) |
| Payload mass | 6,000 kg (13,000 lb) |
| Dimensions | 9.8 m (32 ft) long x 4.4 m (14 ft) diameter |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Berthing at ISS | |
| Berthing port | Harmony nadir or Unity nadir |
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Kounotori 9 (こうのとり9号機), also known as HTV-9 will be the 9th flight of the H-II Transfer Vehicle, an unmanned cargo spacecraft set to launch in 2020 to resupply the International Space Station.
As currently manifested, Kounotori 9 will be the last HTV of the original model, with following missions replaced with the HTV-X.