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IHI aims to complete the full 24-satellite constellation by 2029.
The contract follows a memorandum of understanding (MoU) signed by Iceye and IHI in May 2025 to jointly develop the constellation and establish domestic production facilities in Japan.
Iceye and IHI Corporation have signed a procurement contract to build a constellation of Earth observation satellites for civil, commercial, and security use.
IHI Corporation has signed a procurement contract with Iceye to build four satellites and up to 20 additional satellites in a synthetic aperture radar (SAR) constellation.
IHI targets completion of the 24-satellite constellation by fiscal year 2029.
If the demonstrations are successful, IHI plans to exercise options for the remaining 20 satellites in phases from fiscal year 2026.
Since its founding in June 2022, Space Quarters has been developing its robot systems and electron beam welding machines, receiving projects from Sky Perfect JSAT, the Japan Aerospace Exploration Agency (JAXA), Obayashi Corporation, and IHI Aerospace.
IHI started collaboration with Finland's ICEYE in May to build a SAR satellite constellation for security purposes.
IHI signed memorandums of understanding with Surrey Satellite Technology Limited and Global Satellite Vu Ltd for the development and operation of small satellites.
IHI and Global Satellite Vu will evaluate the utilization of thermal data and define requirements for a Japanese sovereign high-resolution thermal infrared satellite constellation.
The Memorandum of Understanding (MoU) between IHI and Global Satellite Vu is aimed at building Japan's sovereign capability in thermal infrared data.
IHI Corporation is collaborating with Global Satellite Vu Ltd to develop a satellite constellation to strengthen Japanese sovereign capability.
SatVu Co-Founder and CEO Anthony Baker expressed delight in partnering with IHI to bring thermal infrared satellite technology to Japan.
Atsushi Sato is the President of IHI’s Aero Engine, Space & Defence Business Area.
IHI is collaborating with ICEYE Oy to develop a constellation of up to 24 SAR satellites for Earth observation data.
IHI aims to lead the development of small satellite constellations, leveraging its engineering expertise and contributing to society through technology.
Takashi Makino is an External Director and Advisor at IHI Corporation.
The BT-6 from IHI Aerospace is a hydrazine bipropellant thruster designed for geostationary satellites with a thrust of 21.5 N.
IHI Corporation stated that the jointly developed satellites will utilize existing Northrop Grumman satellite buses.
Northrop Grumman and IHI Corporation signed a memorandum of understanding on 2023-03-15 to develop small, highly maneuverable satellites and other solutions to bolster Japan’s space domain awareness capabilities, particularly for geosynchronous orbit.