Японские университетские малые КА

[Salo]

http://www.spacenews.com/civil/101203-japan-advances-microsatellite-constellation.html

Fri, 3 December, 2010
Japan Advances University-led Microsatellite Constellation[/size]
By Paul Kallender-Umezu

    TOKYO — A Japanese government-funded consortium of universities aiming to launch a constellation of scientific microsatellites starting in 2012 is looking for Asian partners to join the program, according to project leaders.

    The University International Formation Mission (UNIFORM) project was established in Japan this summer and formally announced in November at the 17th Session of Asia-Pacific Regional Space Agency Forum in Melbourne, Australia.

    At its core, the UNIFORM project aims to field a functional satellite constellation and ground station network that will yield usable data at a fraction of the price of commercially built satellites. More broadly, project organizers expect UNIFORM to energize Japan's capacity for building microsatellites and spread that know-how throughout Asia through international cooperation, according to Hiroaki Akiyama, a professor at Wakayama University in western Japan, which is leading the project in conjunction with six other Japanese universities.

    "UNIFORM is about microsatellite community building," Akiyama told Space News Dec. 1. "We will build a closely bonded network of microsatellite technology, microsatellite people, and microsatellite utilization. It is one of our purposes to initiate a paradigm shift in the space business model which only succeeded with stationary satellites in the past. This network has the potential to change the space industry in the near future."

    The UNIFORM consortium aims at initially launching groups of 50-kilogram-class satellites in pairs or clusters in 2012 and 2014 to build a constellation capable of frequent revisits for Earth observation or atmospheric monitoring missions,  Kanenori Ishibashi, a research engineer at the University of Tokyo, said Dec. 1. The university is another leading member of the consortium. The project is still in the planning stage, and organizers are actively hunting partners around the region so that satellite and mission development can begin next summer, he said.

    UNIFORM was approved by Japan's Ministry of Education, Culture, Sports, Science and Technology (MEXT) in October with a budget of 300 million yen ($3.5 million) per year over five years as part of a government effort to bolster Japan's university-based microsatellite community, said Shigekazu Matsuura, director of the Office of Space Utilization at MEXT, in a Nov. 30 interview.

    Following the release of Japan's Basic Plan for Space Policy in June 2009, the Japanese government has continued to fund microsatellite development by universities, and UNIFORM follows on from a 4.1 billion yen investment by the Cabinet Office in university-based nanosatellite development, which ends in 2013.

    Matsuura said MEXT is engaging in a form of "space diplomacy" funding the UNIFORM program's efforts to build up microsatellite expertise in the Asia-Pacific region.

    "[Research and development] of microsatellites is very suitable for fostering young engineers and international diplomacy while increasing our earth observation frequency," said Matsuura, who takes credit for originating the program.

    Announcing the project at the Asia-Pacific space agency forum in Melbourne in November was an important step in gathering partners to define the mission and start building pan-Asian cooperation, Ishibashi said.

    "We did have very good responses from about a dozen people/organizations in the Asian-Pacific region," he said. "This means that now we have a chance to start forming a strong multinational micro/nanosatellite community [in Asia] that is focused not only on the engineering and science aspect but also the practical utilization of data and signals."

    Japan's university-based microsatellite community dates back more than a decade, with most activities coordinated under the Tokyo-based University Space Engineering Consortium, which comprises 47 laboratories from 38 universities that are steadily building increasingly functional satellites faster and cheaper, Ishibashi said.

    Asian-Pacific nations joining UNIFORM will develop their own satellites with Japanese partners on hand to provide required technologies for standardizing satellite equipment.

    Ishibashi said participating nations will share with Japan the cost of building the UNIFORM microsatellites, which are expected to cost between 50 million and 200 million yen.[/size]

[Salo]

SPRINT и не только:
http://ae86.eng.isas.jaxa.jp/sss12/paper/sss12_s2_02_20120202233645.pdf

[Salo]

http://www.jasmine-galaxy.org/nano/nano-en.html

[Salo]

Запуск кубосатов с Кибо:

[ZOOR]

http://ria.ru/science/20120622/679310160.html

"Еще один эксперимент - запуск маленьких спутников со станции. На борту HTV-3 (японский грузовой корабль) на МКС будет доставлено пять спутников, которые мы запустим в космос с помощью японского манипулятора. Таким образом, мы исследуем новый способ запуска маленьких спутников", - сказал Хошиде.

[Salo]

http://forum.nasaspaceflight.com/index.php?topic=24308.msg920158#msg920158

For reference. You can see the deployment order.

[Salo]

Nano-JASMINE (Nano-Japan Astrometry Satellite Mission for Infrared Exploration) is the technical demonstrator for the JASMINE mission, and also the first space astrometry satellite mission in Japan. It will be launched at Nov. 2013 from Alcantara Launch Center at Brazil on a Tsiklon-4 rocket.

The Nano-JASMINE project is planned to demonstrate for the first time the capability for space astrometry in Japan and to perform experiments for verifications of techniques and operations planned for Small-JASMINE and JASMINE. Nano-JASMINE is a nano-size satellite of which the size and weight are (50 cm)3 and about 35 kg, respectively. Nano-JASMINE will operate in the zw-band (0.6 – 1.0 µm). The target accuracy of parallaxes is about 3 milliarcseconds at zw=7.5 mag. Moreover high-accuracy proper motions (0.1 milliarcseconds/year) can be obtained by combining the Nano-JASMINE catalogue with the Hipparcos catalogue, as the decrease in the error of the proper motions is proportional to the inverse of the epoch difference between the two catalogues which for Hipparcos and the Nano-JASMINE catalogues will exceed 20 years. It has been decided that Nano-JASMINE will be launched in FY2013 at the Alcantara space center in Brazil by a Tsiklon-4 rocket developed in Ukraine. Nano-JASMINE will be put in a Sun-synchronized orbit with the altitude of about 800 km.



Nation:    Japan
Type / Application:    Astrometry
Operator:    
Contractors:    
Equipment:    
Configuration:    
Propulsion:    
Power:    Solar cells, batteries
Lifetime:    
Mass:    35 kg
Orbit:    800 km SSO

Satellite    Date    LS       Launch Vehicle    Remarks
Nano-JASMINE    2013    Al       Tsiklon-4

http://space.skyrocket.de/doc_sdat/nano-jasmine.htm

[Salo]

Груз HTV-3:
http://twitpic.com/photos/koumeiShibata






NIWAKA


RAIKO


FITSAT-1


WE WISH

[Salo]

Стартовый стол с отверстиями 10х10

https://twitter.com/Aki_Hoshide/status/162342503943639040/photo/1

[Старый]

Эта мелочь с Конотопом чтоль полетит?  :shock:

[Salo]

Да!

[Старый]

Так низкая же орбита. Как же они жить будут? Или там какое довыведение?

[instml]

Так низкая же орбита. Как же они жить будут? Или там какое довыведение?

Орбита не низкая, около 400 км. Они будут запускаться с МКС манипулятором. Вообще кубосаты долго не живут

[Старый]

Но 400 км это ж совсем мало. Тем более для лёгкого спутника. Он же упадёт быстрее чем помрёт?

[instml]

Упадет не быстрее чем обычный, он же маленький

[Echidna]

Но 400 км это ж совсем мало. Тем более для лёгкого спутника. Он же упадёт быстрее чем помрёт?

Легкость тут ни при чем особо. Важен баллистический коэффициент, а это отношение площади и массы. Т.е если он весит много относительно своей площади миделя - то особо и не решит сваливаться. На годик полета наверно хватит.

[Старый]

Упадет не быстрее чем обычный, он же маленький

Маленькие быстрее падают. Но с 400 км и большие сыплются довольно быстро.
 Правда удачно решается проблема космического мусора.

[Salo]

Стрельба кубосатами по японски



Они Науку нарисовали. Думают что все предусмотрели)))) Вот прийдут НЭМы и сектор обстрела закроется ))))

Раз два три пли 80-99см\сек

[Salo]

ИМХО кубосаты приедут в коробоках в герметичном отсеке, а Japan Experiment Module Small Satellite Orbital Deployer на платформе грузов в негерметичном отсеке. Аки через шлюз запихнет пускалку в Кибо, достанет из коробочек кубосаты, протрет их тряпочкой, снимет красные бирки, вставит в стартовые магазины, выпихнет пускалку через шлюз обратно, захватит манипулятором, направит в сторону РС МКС и стрельнет.

Кучность около 5гр. Конус 18 гр. на картинке это хрен знает сколько сигм. Такая кучность из-за того что в пускалке на рельсах зазоры в несколько миллиметров.  
разгон пружиной, спуск открыванием ворот.

[instml]

Японцы надеются на еще один пуск Днепра

ChubuSat 1 is micro-saetllite built by Nagoya University and Daido University to conduct space debris observation.

ChubuSat 1 will be launched piggy-back with a larger satellite and three other small satellites on a Dnepr-1 rocket from the Yasni (Dombarovsky) cosmodrome in late 2012.



Nation:    Japan
Type / Application:    Technology
Operator:    Nagoya University, Daido University
Contractors:    Nagoya University, Daido University
Equipment:    
Configuration:    
Propulsion:    
Power:    Solar cells, batteries
Lifetime:    
Mass:    ~50 kg
Orbit:    SSO

Satellite    Date    LS       Launch Vehicle    Remarks
ChubuSat 1    2013    Do       Dnepr-1    with ?, Hodoyoshi 1, QSAT-EOS, Tsubame

http://space.skyrocket.de/doc_sdat/chubusat-1.htm

Hodoyoshi 1 is an earth-observing micro-saetllite built by the University of Tokyo. It has a 6.8 m ground resolution.

Hodoyoshi 1 will be launched piggy-back with a larger satellite and three other small satellites on a Dnepr-1 rocket from the Yasni (Dombarovsky) cosmodrome in late 2012.



Nation:    Japan
Type / Application:    Technology, Earth observation
Operator:    University of Tokyo, NESTRA
Contractors:    University of Tokyo, NESTRA
Equipment:    
Configuration:    
Propulsion:    
Power:    Solar cells, batteries
Lifetime:    
Mass:    ~50 kg
Orbit:    SSO

http://space.skyrocket.de/doc_sdat/hodoyoshi-1.htm

QSAT-EOS (Kyushu Satellite for Earth Observation System Demonstration) is an earth-observing micro-saetllite built by the Kyushu University.

QSAT-EOS will be launched piggy-back with a larger satellite and three other small satellites on a Dnepr-1 rocket from the Yasni (Dombarovsky) cosmodrome in late 2012.



Nation:    Japan
Type / Application:    Technology, Earth observation
Operator:    Kyushu University
Contractors:    Kyushu University
Equipment:    
Configuration:    
Propulsion:    
Power:    Solar cells, batteries
Lifetime:    
Mass:    
Orbit:    SSO

http://space.skyrocket.de/doc_sdat/qsat-eos.htm

Tsubame is small satellite mission built by Tokyo Institute of Technology, Tokyo University of Science and JAXA to measure polarization of hard X-ray photons (30-200 keV) from gamma-ray bursts using azimuthal angle anisotropy of Compton-scattered photons and to demonstrate new technologies.

The objectives of Tsubame are as follows:

    * on-orbit demonstration of newly developed Micro Control Moment Gyroscopes (CMGs),
    * polarized gamma-ray burst (GRB) observation using a Hard X-Ray Compton Polarimeter (HXCP) and Wide field Burst Monitors (WBMs) with high-speed attitude maneuvering using Micro-CMGs,
    * Earth observation with a small high-resolution optical camera.

Tsubame will be launched piggy-back with a larger satellite and three other small satellites on a Dnepr-1 rocket from the Yasni (Dombarovsky) cosmodrome in late 2012.



Nation:    Japan
Type / Application:    Astronomy, X-ray
Operator:    Tokyo Institute of Technology, Tokyo University of Science and JAXA
Contractors:    Tokyo Institute of Technology, Tokyo University of Science and JAXA
Equipment:    
Configuration:    
Propulsion:    
Power:    Solar cells, batteries
Lifetime:    
Mass:    
Orbit:    SSO

http://space.skyrocket.de/doc_sdat/tsubame.htm