Kounotori 9
HTV-9 captured by the Canadarm2 on 25 May 2020 | |
| Mission type | ISS resupply |
|---|---|
| Operator | JAXA |
| COSPAR ID | 2020-030A |
| SATCAT no. | 45607 |
| Mission duration | 91 days, 13 hours, 36 minutes |
| Spacecraft properties | |
| Spacecraft | Kounotori 9 |
| Spacecraft type | H-II Transfer Vehicle |
| Manufacturer | Mitsubishi Heavy Industries |
| Launch mass | 16,500 kg (36,400 lb) |
| Payload mass | 6,200 kg (13,700 lb) |
| Dimensions | Length: 9.8 m (32 ft) Diameter: 4.4 m (14 ft) |
| Start of mission | |
| Launch date | 20 May 2020, 17:31:00 UTC |
| Rocket | H-IIB, Flight 9 |
| Launch site | Tanegashima, LA-Y2 |
| Contractor | Mitsubishi Heavy Industries |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 20 August 2020, 07:07 UTC |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Inclination | 51.66° |
| Epoch | 20 May 2020 |
| Berthing at ISS | |
| Berthing port | Harmony nadir |
| RMS capture | 25 May 2020, 12:13 UTC |
| Berthing date | 25 May 2020, 14:46 UTC |
| Unberthing date | 18 August 2020, 13:51 UTC |
| RMS release | 18 August 2020, 17:36 UTC |
| Time berthed | 84 days, 23 hours, 5 minutes |
| Cargo | |
| Mass | 6,200 kg (13,700 lb) |
| Pressurised | 4,300 kg (9,500 lb) |
| Unpressurised | 1,900 kg (4,200 lb) |
Kounotori 9 (Japanese: こうのとり9号機), also known as HTV-9 was the 9th and final flight of the H-II Transfer Vehicle, a robotic cargo spacecraft to resupply the International Space Station (ISS). It was launched on 20 May 2020, at 17:31:00 UTC. Kounotori 9 is the last HTV of the original model, with following missions replaced with the HTV-X.