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J-I

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J-I

The J-I was a solid-fuel, expendable, small-lift launch vehicle developed by the National Space Development Agency of Japan and the Institute of Space and Astronautical Science. 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. It flew only once on a suborbital flight taking place on 11 February 1996 from the Osaki Launch Complex at the Tanegashima Space Center in a partial configuration, to launch the demonstrator HYFLEX. The vehicle never flew in the final orbital capability configuration, which should have launched the OICETS satellite (OICETS was launched on a Russian R-36MUTTH Intercontinental ballistic missile-based Dnepr 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

References

  1. "J-I Launch Vehicle". Japan Aerospace Exploration Agency. 2007. Archived from the original on 2012-08-18. Retrieved 2009-05-19.

External links

Orbital launch systems
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  • This template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future
  • Symbol indicates past or current rockets that attempted orbital launches but never succeeded (never did or has yet to perform a successful orbital launch)
Japanese orbital launch systems
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IST
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  • ‡ Based around licence-produced US rockets; ¤ Never flew an orbital flight (only 1 suborbital flight performed)


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