Rocket file · LV-339
Mu-3S-II
Mu-3S-II is an expendable launch vehicle built by Institute of Space and Astronautical Science. It stands 27.8 m tall, lifts 800 kg to low Earth orbit, first flew on 7 January 1985. It has flown 8 times with 7 successes, a success rate of 87.5%. 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 Mu-3S-II
The Mu, also known as M, was a series of Japanese solid-fuelled carrier rockets, which were launched from Uchinoura between 1966 and 2006. Originally developed by Japan's Institute of Space and Astronautical Science, Mu rockets were later operated by Japan Aerospace Exploration Agency following ISAS becoming part of it.
Upcoming flights
Manifest
Mu-3S-II is retired, and no flight is filed.
All upcoming launchesOrbitburn 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 Mu-3S-II flown?
- 8 times, with 7 successes and 1 failures.
- What is Mu-3S-II's success rate?
- 87.5%. That's 7 successful flights out of 8 attempts.
- How much can Mu-3S-II lift to orbit?
- Launch Library 2 lists Mu-3S-II at 800 kg to low Earth orbit.
- Is Mu-3S-II reusable?
- No. Launch Library 2 lists Mu-3S-II as expendable, so no stage is recovered to fly again.