Interstella Technologies to Develop Japan’s First Private Satellite Constellation Large Rocket “DECA”

Interstella Technologies Inc.
Interstella Technologies to Develop Japan’s First Private Satellite Constellation Large Rocket “DECA”
Contributing to securing a low-cost, self-sustaining space
transportation system in Japan

Interstella Technologies Co., Ltd. (Head office: Taiki-cho, Hiroo-gun, Hokkaido; President: Takahiro Inagawa; hereinafter referred to as Interstella Technologies), a comprehensive space infrastructure company that aims to solve the problems of the earth through space transportation and space utilization, is Japan’s first We are pleased to inform you that we have started a large rocket “DECA” (hereafter, DECA) project for a small satellite constellation (*1) led by the private sector. Aiming to realize a service suitable for the era of mass transportation to space in the 2030s, we will actively contribute to securing a low-cost, self-sustaining future space transportation system in Japan.
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Rocket DECA Development Background
Space transportation systems are infrastructure that supports the industrial base of the space market, which is expected to grow significantly in the future, and competition is intensifying worldwide with the entry of private companies, led by SpaceX (USA). If Japan were to lose its own means of launching, the loss of national interest would be enormous due to the loss of independent access to space. I’m here.
In July 2022, the Japanese government announced the “Roadmap Study Group Summary for the Realization of an Innovative Future Space Transportation System” (*2). It is said that it will develop a rocket that aims to The DECAs to be developed by Interstellar Technologies in the future are the sounding rocket “MOMO” (hereafter MOMO), which has a track record of reaching space three times so far, and the microsatellite launch vehicle “ZERO”, which is being developed to launch the first unit. (hereafter ZERO), we will utilize the low-cost rocket technology that we have proven and accumulated in the development and production of ZERO, and by incorporating cutting-edge reuse technology, we will drastically reduce costs. By doing so, we will contribute to the enhancement of domestic space transportation capacity.
*1 A system that launches many small satellites into orbit and operates them in an integrated manner. Since many satellites can cover the entire earth, communication services and earth observation services can be realized efficiently. Satellites are becoming lighter and cheaper due to technological innovation, and many satellite constellation systems are being planned around the world.
*2 Rocket DECA 3 strengths
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DECA is a large rocket capable of not only forming small satellite constellations, but also inserting large satellites into orbit and transporting goods to the space station, contributing to the expansion of Japan’s space transportation capabilities. We are also responsible for the construction of the satellite constellation that Our Stars Co., Ltd. (hereinafter referred to as Our Stars), a wholly owned subsidiary of Interstellar Technologies, Inc., which develops artificial satellites. Perform high mass launches.
Interstellar Technologies’ rockets, both MOMO and ZERO, have achieved drastic cost reductions through design ingenuity and innovation in production technology, and DECA will inherit this concept. In addition, we will newly adopt reuse technology, which had little cost advantage for small rockets such as ZERO, along with the larger size, and build an internationally competitive space transportation service in Japan at a price that is an order of magnitude lower than before. increase.
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Rapid growth of world space transportation
The global space market is expanding year by year, and the demand for satellites is growing significantly. In particular, the construction of small satellite constellations has become an indispensable technology for the spread of space utilization, such as the spread of Internet communication and the realization of a “super smart society” that utilizes satellite data.
Rockets are the only means of transporting satellites, and the number of launches around the world, centered on the United States and China, is increasing dramatically year by year. On the other hand, the number of satellite launches in Japan in 2022 will be 0 out of 174 worldwide (see chart below), and much of the demand for domestic satellite launches is flowing out to overseas. Furthermore, due to the effects of the Ukraine War, Japan and Western countries cannot use Russian rockets, which account for about 10% of the world’s space
transportation. I’m here.
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Rocket DECA Name Origin
DECA is the SI prefix that indicates ten times the quantity of the base unit in the International System of Units (SI). Rocket DECA is named after ZERO (= 0), aiming for a one-digit evolution to handle mass transportation. It also takes into account the fact that the year 2023 marks the 10th anniversary of the start of the Interstellar Technologies business.
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Interstella Technologies Inc. Company Profile
Interstella Technologies is a start-up company that aims to realize a future where everyone can access space by providing low-cost and convenient space transportation services. Headquartered in Taiki-cho, Hokkaido, development is progressing at four bases: Tokyo branch office, Fukushima branch office, and Muroran Institute of Technology (within Muroran Institute of Technology). So far, we have achieved the first and only solo mission by a Japanese private company to reach outer space with the observation rocket MOMO three times. We also established Our Stars, a 100% satellite development subsidiary, aiming to be Japan’s first vertically integrated service of rockets and satellites.
Address: 149-7 Mebu, Taiki-cho, Hiroo-gun, Hokkaido
Representative: Takahiro Inagawa, President and Representative Director Business: Rocket development, manufacturing, and launch services

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