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  JAXA's H-II Transfer Vehicle Kounotori-5

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Author Topic:   JAXA's H-II Transfer Vehicle Kounotori-5
Robert Pearlman
Editor

Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 08-19-2015 06:52 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Japan's HTV-5 launches to space station

The Japan Aerospace Exploration Agency (JAXA) launched its H-II Transport Vehicle 5 (HTV-5) at 6:50 a.m. EDT (1150 GMT; 8:50 p.m. local time in Japan) from the Tanegashima Space Center in southern Japan.

Loaded with more than 4.5 tons of supplies, including water, spare parts and experiment hardware for the International Space Station, the cargo craft, named Kounotori, Japanese for "white stork," is now on a four-day journey to the orbiting outpost.

Among the science equipment HTV-5 is delivering is the CALorimetric Electron Telescope (CALET), which will search for signatures of dark matter and provide the highest energy direct measurements of the cosmic ray electron spectrum. The data from the investigation may also help characterize the radiation environment and the risks it may pose to humans in space.

Additionally, CALET's long exposure in space may yield evidence of rare interactions between "normal" matter and dark matter.

Other payloads aboard the cargo ship include a flock of fourteen Dove satellites to support the NanoRacks CubeSat Deployer and the NanoRacks External Platform (NREP), which will be mounted outside the space station on the Japanese External Facility (JEM-EF).

On Aug. 24, the HTV-5 will approach the station from below and slowly inch its way towards the orbital complex. Expedition 44 flight engineers Kimiya Yui and Kjell Lindgren will use the space station's robotic arm to reach out and grapple the 12-ton spacecraft and install it on the Earth-facing side of the Harmony module, where it will spend five weeks.

Flight engineer Scott Kelly will monitor the HTV-5 systems during the rendezvous and grapple.

Robert Pearlman
Editor

Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 08-24-2015 07:37 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Space station captures JAXA's HTV-5

Using the International Space Station's robotic arm, Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA) successfully captured the H-II Transfer Vehicle-5 (HTV-5) on Monday (Aug. 24) at 5:28 a.m. CDT (1028 GMT).

Robert Pearlman
Editor

Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 09-29-2015 05:51 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Japan's HTV-5 departs space station

Following a one-orbit delay to clear an error message from the space station's robotic arm, flight engineer Kimiya Yui of JAXA, backed up by NASA flight engineer Kjell Lindgren, commanded the release of Japan's H-II Transfer Vehicle (HTV)-5 from the International Space Station on Monday (Sept. 28) at 11:53 a.m. CDT (1653 GMT) while the spacecraft was flying 256 miles above the Southern Pacific.

The HTV was unberthed from the space station's Harmony module earlier that same day at 6:12 a.m. CDT (1112 GMT).

The HTV-5 then moved away from the orbiting laboratory to a safe distance where was to set to perform three engine firings to begin its controlled deorbit to reenter Earth's atmosphere on Tuesday.

HTV-5 carried a variety of experiments and supplies to the space station, including the NanoRacks External Payload Platform, which can house multiple investigations in the open-space environment of the station, and the CALorimetric Electron Telescope investigation, an astrophysics mission that measures high energy particles to search for dark matter and the origin of cosmic rays.

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