New FCC filing by SpaceX for constellation of million data center satellites for AI apps.

# of sats: up to 1 million!
Orbit: 500 km and 2,000 km altitude and 30°inclinations. Multiple orbital shells 50 km apart.
Cooling: radiative
Schedule: unspecified
Sat size, weight, power, cost, ..: unspecified
Launches: millions of tons of mass per year

There goes the neighborhood.
Or is this just marketing fluff and orbital hoarding?

@sundogplanets
https://www.scribd.com/document/990116826/Orbital-Data-Center-LOA-Narrative
https://fccprod.servicenowservices.com/icfs?id=ibfs_application_summary&number=SAT-LOA-20260108-00016
1/n

To keep the clueless masses intoxicated, SpaceX threw in these flowery words in the FCC filing -

"Launching a constellation of a million satellites that operate as orbital data centers is a first step towards becoming a Kardashev II-level civilization—one that can harness the Sun’s full power—while supporting AI-driven applications for billions of people today and ensuring humanity’s multi-planetary future amongst the stars."

Earth must be destroyed to save it?

https://www.scribd.com/document/990116826/Orbital-Data-Center-LOA-Narrative
2/n

The filing is short on details and long on lofty goals and promises.

And also a bit sloppy -
"Global electricity demand for data centers is projected to more than double by 2035 driven by growth in AI — reaching ~1,200-1,700 Terawatt hours and ..."

You gotta specify TW or TW-hours per month or per year.

Also, I suspect the million satellite number comes from 1 million * 100 kw = 100 GW total power.

For comparison, Starlink v3 satellites will generate 20 kW with a 60x8 m array.

3/n

A blunt assessment of "AI datacenters in space” by Prof. Matthew Buckley in Dec 2025 -

"To be blunt, the entire stupid idea is a giant middle finger to multiple fundamentals of physics, and the fact that it is apparently being taken seriously by our tech lords, mainstream journalism, and political leaders is a damning indictment of not just the ridiculous amount of money chasing bad ideas in the tech/LLM/hype sector that has eaten the American economy, ..."

https://www.physicsmatt.com/blog/2025/12/11/the-dumbest-thing-ive-seen-this-week
4/n

@AkaSci how will they launch the sysops?