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H-II Transfer Vehicle KOUNOTORI (HTV)

HTV4

HTV4 (Credit: JAXA/NASA)

The H-II Transfer Vehicle (HTV) "KOUNOTORI", developed and built in Japan, is an unmanned cargo transfer spacecraft that delivers supplies to the International Space Station (ISS). Its first, "technical demonstration flight" was launched in September, 2009. HTV is scheduled to launch about once a year to contribute to the ISS operations.

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News

Summary of the ISS Cryogenic Experiment Storage Box (ICE Box) demonstration results

Summary of the ISS Cryogenic Experiment Storage Box (ICE Box) demonstration results (March 7, 2014)

ISS Cryogenic Experiment Storage Box (ICE Box) was developed in Japan and carried aboard the HII Transfer Vehicle KOUNOTORI4 (HTV4) on August 4, 2013.

KOUNOTORI4 Mission Completed

KOUNOTORI4 Mission Completed (September 7, 2013)

KOUNOTORI4 (HTV4) descended to an altitude of 120km and reentered Earth's atmosphere around 3:37p.m. on September 7. KOUNOTORI4 successfully completed its cargo supply mission to the ISS.

KOUNOTORI4 performed three de-orbit maneuvers for reentry

KOUNOTORI4 performed three de-orbit maneuvers for reentry(September 7, 2013)

At 3:11 p.m. on September 7, KOUNOTORI4 (HTV4) performed the third de-orbit maneuver for reentry into Earth's atmosphere. The HTV4's reentry is scheduled for 3:36 p.m.

*All times are Japan Standard Time (JST)

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