8legs: Sun-synchronous orbit, space

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Jeff Bezos' Blue Origin reveals 51,600 satellite space data center plans — Project Sunrise will operate in sun-synchronous orbits between 500–1,800km in altitude

Blue Origin reveals Project Sunrise aiming to deploy up to 51,600 satellites in sun-synchronous orbit to create a space data center constellation.
The constellation would operate in circular sun-synchronous orbits at 500–1,800 km altitude with inclinations of about 97–104 degrees.
The plan calls for multiple antenna variants and heavy use of optical links to reduce reliance on radio spectrum.
Project Sunrise would route Earthbound traffic via Blue Origin’s TeraWave system and other mesh backhaul networks.
FCC filings frame Sunrise as potentially benefiting AI computing by avoiding terrestrial bottlenecks.
The plan notes costs, servicing, and maintenance will be substantial for a space-based data center network.
Sunrise would use the 18.8–19.3 GHz and 28.6–29.1 GHz bands for space-to-Earth and Earth-to-space communications.
Blue Origin asserts safety is core to the project and emphasizes non-interference with existing systems.
Experts note the extensive regulatory and engineering challenges facing an orbital data center fleet.
The disclosure positions Sunrise as a complement to terrestrial AI infrastructure, not a replacement.
The filing suggests the project could improve AI accessibility and performance through space-based resources.

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