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The J-I was a Solid-fuel rocket expendable launch vehicle developed by the National Space Development Agency of Japan and the
The J-I was a Solid-fuel rocket expendable launch vehicle developed by the National Space Development Agency of Japan and the Institute of Space and Astronautical Science
(ISAS) is a Japanese national research organization of astrophysics using rockets, astronomical satellites and interplanetary probes which played a major role in Japan's space development. Since 2003, it is a division of Japan Aerospace E ...
. In an attempt to reduce development costs, it used the solid rocket booster from the H-II as the first stage, and the upper stages of the M-3SII
The Mu, also known as M, was a series of Japanese solid-fueled 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 ...
. It flew only once on a suborbital flight taking place 11 February 1996 UTC from Tanegashima Space Center
The (TNSC) is the largest rocket-launch complex in Japan with a total area of about 9.7 square kilometers. It is located on the southeast coast of Tanegashima, an island approximately south of Kyushu. It was established in 1969 when the ...
pad LA-N, in a partial configuration, to launch the demonstrator HYFLEX
HYFLEX (Hypersonic Flight Experiment) was a National Space Development Agency of Japan reentry demonstrator prototype which was launched in 1996 on the only flight of the J-I launcher. It was a successor of OREX and was a precursor for the Japan ...
. The vehicle never flew in the final orbital capability configuration, which should have launched the OICETS
The Optical Inter-orbit Communications Engineering Test Satellite (OICETS), also called ''Kirari'', was an experimental satellite launched by JAXA to demonstrate interorbital communication between satellites through optical (laser) means. OICETS ...
satellite (OICETS was launched on a Russian R-36MUTTH Intercontinental ballistic missile-based Dnepr Dnepr may refer to:
*Dnieper, a river flowing through Russia, Belarus and Ukraine to the Black Sea
* Dnepr (motorcycle), a Ukraininan motocycle brand
* Dnepr (rocket), a 1999 space launch vehicle
*Dnepr radar Dnepr may refer to:
*Dnieper, a river ...
rocket instead).
On the HYFLEX mission a load of 1,054 kg was launched 1,300 km downrange. Apogee was 110km; the HYFLEX payload achieved speed of approximately 3.8 km/s.
See also
*Epsilon (rocket)
The Epsilon Launch Vehicle, or (formerly ''Advanced Solid Rocket''), is a Japanese solid-fuel rocket designed to launch scientific satellites. It is a follow-on project to the larger and more expensive M-V rocket which was retired in 2006. Th ...
* Mu (rocket family)
The Mu, also known as M, was a series of Japanese solid-fueled 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 operate ...
* M-V
The M-V rocket, also called M-5 or Mu-5, was a Japanese solid-fuel rocket designed to launch scientific satellites. It was a member of the Mu family of rockets. The Institute of Space and Astronautical Science (ISAS) began developing the M-V in ...
* Comparison of orbital launchers families
This article compares different orbital launcher families (although many launchers that are significantly different from other members of the same 'family' have their own separate entries). The article is organized into two tables: the first tabl ...
References
External links
* * Space launch vehicles of Japan {{rocket-stub