Four DiskSats entered a roughly 550 km low Earth orbit on December 18, 2025, after a Rocket Lab Electron lifted off from Wallops Island, Virginia. The mission placed an unconventional spacecraft architecture into operational testing: a circular satellite about 1 meter, or 40 inches, in diameter and only 2.5 centimeters, or 1 inch, thick. The Aerospace Corporation’s DiskSat was developed with support from NASA’s Small Spacecraft and Distributed S…
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