Mission type | ISS resupply |
---|---|
Operator | JAXA |
COSPAR ID | 2020-030A |
SATCAT no. | 45607 |
Mission duration | 92 days |
Spacecraft properties | |
Spacecraft | Kounotori 9 |
Spacecraft type | H-II Transfer Vehicle |
Manufacturer | Mitsubishi Heavy Industries |
Launch mass | 16500 kg[1] |
Payload mass | 6200 kg |
Dimensions | 9.8 meters in length, 4.4 metres in diameter |
Start of mission | |
Launch date | 20 May 2020, 17:31:00 UTC[2] |
Rocket | H-IIB F9 (last) |
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 International Space Station | |
Berthing port | Harmony nadir |
RMS capture | 25 May 2020, 12:13 UTC[3] |
Berthing date | 25 May 2020, 14:46 UTC[3] |
Unberthing date | 18 August 2020, 13:51 UTC |
RMS release | 18 August 2020, 17:36 UTC |
Time berthed | 85 days, 2 hours, 50 minutes |
Cargo | |
Mass | 6200 kg |
Pressurised | 4300 kg |
Unpressurised | 1900 kg |
Kounotori 9 (こうのとり9号機), also known as HTV-9 was the 9th flight of the H-II Transfer Vehicle, a robotic cargo spacecraft to resupply the International Space Station (ISS).[4][5] It was launched on 20 May 2020, at 17:31:00 UTC.[6]
Kounotori 9 is the last HTV of the original model, with following missions replaced with the HTV-X.[4][7]
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