Google’s first data center satellite is online and writing poetry — SkimNews
Get the Tech newsletter
Daily tech — startups, AI labs, chips, the launches that shape the next decade. Free.
- Suncatcher launched earlier this month aboard a SpaceX Falcon 9 with more than 100 other spacecraft and, after about three weeks of commissioning, is now online and communicating with the ground.
- Suncatcher carries four Google TPUs and can generate up to 1 kW, but power demands limit it to one TPU at a time for roughly 20 minutes, complicating space-to-ground communications.
- Gemma 4 wrote a space-themed haiku after engineers sent the preloaded model its first prompt this week; a Google spokesperson said the satellite was operating nominally.
- Suncatcher is testing its TPUs under thermal stress and space radiation; ground tests suggested radiation would have minimal impact on inference but would pose a greater problem for training, while bit flips can corrupt data without triggering typical monitoring tools.
- Suncatcher is largely alone among space-based data-center plans in pursuing high-speed links for coherent distributed workloads; Starcloud and Cowboy Space expect to perform inference on individual satellites, while SpaceX’s envisioned data centers are expected to orbit too far apart to share processing effectively.
- Google would launch two more Suncatcher satellites in 2027 if the prototype’s TPUs prove capable, with higher power generation and inter-satellite optical links.
- Starship must become fully and rapidly reusable for Google and SpaceX’s orbital-data-center plans; Alphabet holds a significant SpaceX stake, and Suncatcher researchers estimated SpaceX would need 1,800 flights to match earlier vehicles’ learning-driven cost reductions.
Why it matters: The immediate stakes are engineering and launch economics: Google’s prototype allows one of four TPUs at a time for about 20 minutes, while Suncatcher researchers estimated SpaceX would need 1,800 Starship flights to match earlier vehicles’ learning-driven cost reductions. Those constraints put power generation and rapid Starship reuse at the center of the planned 2027 follow-ons.
Ask SkimNews
