Google and SpaceX have deepened collaboration on orbital AI infrastructure through Google’s Project Suncatcher, highlighted by the October 1, 2026 launch of a prototype satellite carrying four TPUs aboard a SpaceX Transporter-18 mission. This follows May 2026 reports of launch-service talks and builds on Google’s roughly 5-6% stake in SpaceX plus a separate multi-billion-dollar terrestrial compute agreement. Persistent terrestrial power constraints for AI training and inference continue to accelerate interest in solar-powered satellite clusters, though technical hurdles around radiation hardening, thermal management, laser inter-satellite links, and launch economics remain. Traders are watching Google’s planned 2027 dual-satellite laser-comms tests and SpaceX’s stated 2028 deployment targets as key near-term catalysts that could confirm or delay a formal orbital data-center partnership.