A colure is a great circle through the celestial poles.

We work on the quiet parts of orbit.

Where the shadow falls, and where it never does. Power that never sets. Compute and sensing built for the light.

Project Kelvin Zero · Whitepaper

Eclipse-minimising sun-synchronous orbits in a mean-Sun rotating frame

How a satellite can stay out of Earth’s shadow all year — why the usual dawn–dusk orbit falls just short, at what altitude it stops falling short, and how much margin you have.

Kyle Cooper & Yanni Nikas · October 2026

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