Google’s October 1, 2026 launch of a Project Suncatcher prototype satellite carrying just four TPUs—equivalent to one terrestrial server—has not shifted odds meaningfully because the payload falls far short of the 100 data-center-grade AI accelerators required for market resolution. The test validates radiation tolerance and basic cooling in orbit but confirms that full-scale orbital clusters remain years away. Rivals including SpaceX (targeting larger deployments no earlier than late 2027) and smaller players like Starcloud have conducted even smaller GPU flights, while analysts cite persistent hurdles in launch costs, heat dissipation without airflow, and laser inter-satellite networking. Google plans two follow-on satellites in 2027; traders are watching those missions and any FCC filings or Starship-scale manifests for signs that a qualifying system could reach orbit before year-end 2027.