Is this flight software?

No. SIDUS models are educational reimplementations. Cross-check before any flight decision.

Solar array power

Array electrical power P = S₀ η A cosθ / r_AU².

SIDUS educational calculator. Category utilities. Tags: operations, power, satellite, utilities. Pure SI. Not flight software.

P = S₀ η A cosθ / r²

Solar array electrical power

Space Mission Engineering: The New SMAD (Wertz, Everett, Puschell (eds.)): Mission engineering handbook: RF links, constellations, and ops framing.
SIDUS pure-SI implementation (sidus.tools): Local pure-function implementations in src/lib/physics (educational, independent reimplementation).
NASA Glenn Research Center: Beginner’s Guide to Aeronautics (NASA GRC): Ideal rocket equation, specific impulse, thrust equation, dynamic pressure education pages.

Read /llms.txt or call https://sidus.tools/api/mcp. Open the interactive page for live SI inputs.