Google is preparing to send four of its tensor processing units, the custom chips it uses to run artificial intelligence, into low Earth orbit. The hardware is scheduled to launch on October 1 aboard a SpaceX Transporter-18 mission, carried on a prototype spacecraft built by the Earth-imaging company Planet. The flight is a step in Project Suncatcher, a Google research effort that asks whether AI computing could eventually run from satellites rather than from ground-based data centers.
The mission is primarily a test of whether the chips can survive the conditions of space. The launch phase alone exposes the hardware to roughly ten minutes of forces as high as ten times Earth's gravity. Google also subjected the components to proton-beam radiation tests, and the chips exceeded the five-year mission lifetime the company had estimated. At the highest radiation dose tested, the chips showed no hard failures from total ionizing radiation. Because there is no air in orbit to carry heat away, the design relies on vacuum cooling through heat pipes and radiators instead of airflow.
Looking further ahead, the Suncatcher concept proposes linking satellites with high-speed laser connections, so that a constellation of machines could share computing work. Planet plans to build two prototype satellites for link tests in 2027. Whether such a system makes commercial sense will depend heavily on how far launch costs fall, a question the company has not answered.
For now, the project has no commercial offering attached to it. It remains unclear whether any orbital computing capacity would ever be made available through Google Cloud, and questions about pricing, security and how such services would integrate with existing customer systems are still unresolved. The October launch will show whether the hardware holds up in orbit, but it will not by itself answer those business questions.
We rewrote this story on 4 November 2026 after an editorial review.
Credit. Based on reporting by Liz Ticong for Channel Insider. Is this your work? Write to us.
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