Retired· Mitsubishi Heavy Industries

H-IIB 304

H-IIB (H2B) is an expendable launch system used to launch H-II Transfer Vehicles (HTV, or Kounotori) towards the International Space Station.

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Launches

since Sep 2009

Success rate

100%

9 of 9 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 56.6 m
Diameter: 5.2 m
Liftoff mass: 551 t
Liftoff thrust: 9,000 kN
To low Earth orbit: 16,500 kg
To geostationary transfer: 8,000 kg
Stages: 0 to 2
Listed launch price: $112.5 million
First flight: September 10, 2009
Manufacturer: Mitsubishi Heavy Industries

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

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