Tenchijin, Inc. is a JAXA (Japan Aerospace Exploration Agency) startup that leverages space big data to address various societal issues. The company offers land evaluation services through its "Tenchijin COMPASS" platform, which utilizes Earth observation satellite data and AI to analyze land features and provide insights for industries like agriculture, energy, and infrastructure. Tenchijin is also a data service provider for JAXA's ALOS-4 satellite, offering public access to its observation data. The company's mission is to optimize human civilization activities using information from space.
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The Tenchijin Water Pipe Freeze Warning Map visualizes water-pipe freeze risk at a 250-meter mesh using satellite-derived land surface temperature data and displays freeze risk in three levels based on the number of days below −4°C.
Tenchijin (Kabushiki Kaisha Tenchijin) of Chūō-ku, Tokyo, led by Yasuto Sakuraba, began providing a 'Water Pipe Freeze Warning Map' to municipalities on January 30, 2026.
Tenchijin’s Water Pipe Freeze Warning Map enables water utilities and municipalities to communicate regional freeze risk to residents and encourage individual preventive measures to help prevent freeze-related water leaks.
Tenchijin can issue the access URL for the Water Pipe Freeze Warning Map in as little as eight days.
Organizations that have not contracted for Tenchijin’s Uchu-Suido-Kyoku can still use the Water Pipe Freeze Warning Map as a standalone service.
The Water Pipe Freeze Warning Map applies satellite-data and AI-based leak-risk diagnosis technology developed through Tenchijin’s water DX solution "Uchu-Suido-Kyoku" (Space Water Bureau).
Following its selection, Tenchijin plans to actively expand its water DX service 'KnoWaterleak' and other solutions focused on social infrastructure and the environment into the European market.
Tenchijin announced that the total length of water pipe networks analyzed by its space-based water utility solution 'Space Water Bureau' has reached 109,575 kilometers.