H-IIB 304 | Kounotori 9 (HTV-9)

H-IIB 304 | Kounotori 9 (HTV-9)

Osaki Y LP2
Tanegashima, Japan













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Mitsubishi Heavy Industries

Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group. MHI's products include aerospace components, air conditioners, aircraft, automotive components, forklift trucks, hydraulic equipment, machine tools, missiles, power generation equipment, printing machines, ships and space launch vehicles. Through its defense-related activities, it is the world's 23rd-largest defense contractor measured by 2011 defense revenues and the largest based in Japan.


Kounotori 9 (HTV-9)

The last H-II Transfer Vehicle "Kounotori" will be launched on an H-IIB 304 launch vehicle, carrying 6,200 kg (13,669 lbs) of supplies and science experiments to be conducted by astronauts aboard the International Space Station. Kounotori 9 will be the last original HTV spacecaft : its successor scheduled to launch in February 2022 will be the first of the new HTV-X version.

info More Information

Kounotori 9

Serial HTV-9

Launch Crew Count 0

Status Single Use

Landing Time 2020-08-20T07:07:00+0000


H-IIB 304

Height 56.60 Meters

Max Stages 2

Mass To GTO 8000 kg

Liftoff Thrust 9000 kN

Diameter 5.20 Meters

Mass To LEO 16500 kg

Liftoff Mass 551 Tonnes

Launch Success 9

Consecutive Success 9

Maiden Flight 2009-09-10

Launch Failures 0



International Space Station

The International Space Station programme is tied together by a complex set of legal, political and financial agreements between the sixteen nations involved in the project, governing ownership of the various components, rights to crewing and utilization, and responsibilities for crew rotation and resupply of the International Space Station. It was conceived in 1984 by President Ronald Reagan, during the Space Station Freedom project as it was originally called.

Related Events

HTV-9 “Kounotori” Rendezvous and Capture


NASA TV will live-stream the rendezvous and capture of JAXA's HTV-9 cargo craft to the International Space Station.

HTV-9 “Kounotori” Release & Reentry


The JAXA HTV-9 “Kounotori” will be unberthed from the ISS before initiating a destructive reentry into the Earth's atmosphere taking waste along with it. The destructive reentry is scheduled to happen on August 20 at 7:07am UTC.

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