Rocket file · LV-77
H-IIB 304
H-IIB 304 is an expendable launch vehicle built by Mitsubishi Heavy Industries. It stands 56.6 m tall, lifts 16,500 kg to low Earth orbit, first flew on 10 September 2009. It has flown 9 times with 9 successes, a success rate of 100.0%. It has nothing on the Launch Library 2 schedule right now.
Specification
Vehicle spec sheet
As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.
Flight record
Reliability
About H-IIB
H-IIB (H2B) is an expendable launch system used to launch H-II Transfer Vehicles (HTV, or Kounotori) towards the International Space Station. H-IIB rockets are liquid-fuelled with solid-fuel strap-on boosters and are launched from the Tanegashima Space Center in Japan. Mitsubishi and JAXA have been primarily responsible for design, manufacture, and operation of H-IIB.
Upcoming flights
Manifest
H-IIB is retired, and no flight is filed.
All upcoming launchesH-IIB 304 in the archive
From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.
Orbitburn is a gravity lander game with 25 ships. It's free on Android, and you can play it in your browser.Get it free on Google Play
Common questions
- How many times has H-IIB 304 flown?
- 9 times, with 9 successes and 0 failures.
- What is H-IIB 304's success rate?
- 100.0%. That's 9 successful flights out of 9 attempts.
- How much can H-IIB 304 lift to orbit?
- Launch Library 2 lists H-IIB 304 at 16,500 kg to low Earth orbit and 8,000 kg to geostationary transfer orbit.
- Is H-IIB 304 reusable?
- No. Launch Library 2 lists H-IIB 304 as expendable, so no stage is recovered to fly again.