Google Launches First AI Data Center Satellite as Part of Project Suncatcher

Google is preparing to launch its first Project Suncatcher satellite on Thursday, marking a significant step toward its ambition of creating AI computing infrastructure in space. The prototype is scheduled to lift off aboard SpaceX’s Transporter-18 mission from Vandenberg Space Force Base in California.

The Falcon 9 mission, which will carry 130 payloads, is set for launch at 2:18 p.m. ET. Built in collaboration with Planet Labs, the satellite is equipped with Google Tensor Processing Units (TPUs) to evaluate whether the company’s AI hardware can endure the radiation, vibration, and thermal conditions present in low Earth orbit.

Google describes this mission as an initial in-orbit test for Project Suncatcher, rather than a fully operational data center. The project aims to explore the potential for future constellations of interconnected satellites to host large-scale AI computing while utilizing near-constant solar energy. According to Google, satellites in low Earth orbit could generate up to eight times more solar power than similar systems on Earth.

The initiative comes as AI companies grapple with escalating electricity and infrastructure demands for terrestrial data centers. A key challenge for Google is determining whether AI accelerators can function reliably in space, given the risks posed by solar radiation and cosmic rays, which can disrupt electronics.

Ground tests indicated that Google’s Trillium TPUs could handle radiation levels exceeding those expected during a five-year mission. Additionally, the company has developed a cooling system that combines heat pipes and radiators to manage temperatures in simulated vacuum conditions.

This satellite will provide critical data on the performance of these systems once deployed in orbit. Looking ahead, Google plans to conduct another milestone in 2027 with two satellites testing high-bandwidth laser links essential for connecting future computing clusters.

Google is not the only entity exploring orbital computing; Starcloud launched a satellite with an Nvidia H100 GPU in November 2025, successfully running AI workloads in orbit. Nvidia has also introduced dedicated platforms for space-based AI applications, while Blue Origin seeks regulatory approval for a constellation of satellites under Project Sunrise, intended to function as a space-based data center. This growing interest underscores a broader trend that suggests falling launch costs and abundant solar energy could make certain computing tasks economically viable outside of Earth.