This is an archive of information released in the past.
Disclaimer: It may contain broken links or outdated information. Some parts may not function in current web browsers.
*Visit https://humans-in-space.jaxa.jp/en/ for the latest information.
H-II Transfer Vehicle KOUNOTORI (HTV)
News
*All times are Japan Standard Time (JST)
HTV-1 performed the second de-orbit maneuver（November 2, 2009）
The HTV-1 began the second de-orbit maneuver at 1:25 a.m. November 2, and completed the maneuver at 1:34 a.m. Now, the HTV-1 has just several orbits left to go.
HTV-1 performed the first de-orbit maneuver（November 2, 2009）
After the departure from the International Space Station (ISS) in the early hours of October 31, the HTV-1 continues smooth flight.
HTV-1 flies toward the end of its mission（October 31, 2009）
After leaving the ISS orbit, the HTV-1 was successfully inserted into a planned orbit.
HTV-1 released by the station's robotic arm（October 31, 2009）
The HTV-1, positioned at 12 m below the ISS called "release point", was released by the station's robotic arm (SSRMS) at 2:32 a.m. October 31, while passing over the Pacific Ocean.
HTV-1 unberthed from the ISS（October 31, 2009）
The HTV-1 was unberthed from the ISS by the station's robotic arm (SSRMS) at 0:00 a.m. October 31, completing 42 days 16 hours 35 minutes of its berthed operations.
HTV-1's unberthing / release timeline rescheduled（October 30, 2009）
The ground team decided to delay the release of the HTV-1 by one orbit (approximately 90 minutes), and also delay the unberthing by one orbit.
| Copyright 2007 Japan Aerospace Exploration Agency | Site Policy |