I Built a Real-Time Artemis II 3D Tracker in One...

On April 1, 2026, four astronauts launched aboard Orion on Artemis II — humanity's first crewed voyage beyond low Earth orbit since Apollo 17 in 1972. I wanted to track it. Not on a static NASA page. Not on someone else's stream overlay. I wanted an interactive 3D visualization with real telemetry, in my browser, that I built myself. Six hours - one afternoon - later, I had one. Live at artemis-tracker-murex.vercel.app. 47 files. ~8,000 lines of TypeScript. 15 unit tests. 5 serverless API proxie