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🛰️ Star Tracker Attitude Lock

Point a simulated spacecraft star tracker at a 3D star field, watch it pattern-match visible stars against a catalog, and see attitude lock succeed or fail depending on star density, glare and slew rate.

Space & Astronomy3DModerate60 FPS

Details

CategorySpace & Astronomy

RenderingThree.js · WebGL

DifficultyModerate

Target FPS60

ControlsAzimuth/elevation sliders aim the star-tracker boresight; Dense field / Sparse field / Aim at glare presets jump to representative sky regions; Auto-scan sweeps continuously; field-of-view, slew-rate (motion blur) and glare toggle/radius sliders control how many stars are detectable.

Three.jsstar trackerattitude determinationpattern matchingstar cataloglost-in-space algorithmspacecraft navigation

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⚙ Under the hood

Point a simulated spacecraft star tracker at different regions of a 3D star field and watch it identify stars by matching the pattern of angular distances between them against a catalog, solving a precise 3D attitude when enough stars are confidently identified and losing lock when the field is too sparse, glare-blocked or motion-blurred.

Three.jsstar trackerattitude determinationpattern matchingstar cataloglost-in-space algorithmspacecraft navigation

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install