Tilted orbits, model eclipses, and three views from 45° north.
Day 0.0 Moon: new
Drag to rotate · Scroll / pinch to zoom · Space to pause
45° N · Moon views
Three moving longitudes, held at local sunrise, sunset, and noon. Each view tracks the Moon and auto-zooms.
AM terminator · sunrise
PM terminator · sunset
Solar noon
Dashed line: local horizon. Below-horizon targets are hidden by Earth. Telescope fields of view vary to keep the Moon visible.
Take the model with you
One standalone HTML file, including the model, controls, references, and AI-assistance credit. It runs in a WebGL-capable browser without an OpenAI account or API key.
If the viewer blocks downloads, copy the source below into a plain-text file named index.html.
For a forum: attach the file if HTML attachments are allowed, zip it if required, or host the HTML and post a link. Keep the included references and explain that the sizes and eclipse events are simplified.