Use a lightweight, modern web tool
There uses Vite (modern build tool), suggesting a fast, responsive client-side application suitable for quick interactions

🪐 Your cosmic compass through the galaxy
A browser-native cosmic compass that shows the real-time positions of the solar system’s planets from your exact place and moment in time. It uses your device’s sensors to guide a precise 3D arrow in real time, all locally and without installation or accounts. Open it in your browser, turn around, and see how the planets align around you.
There uses Vite (modern build tool), suggesting a fast, responsive client-side application suitable for quick interactions
There appears to be a pointer or navigation tool (based on 'Galactic Pointer' title) that helps users identify and direct attention to specific targets or coordinates
There is deployed as a live web application at thereapp.site, allowing immediate browser-based access without installation