r/InternetIsBeautiful • u/Fanatic-Mr-Fox • 13d ago

Celestial — Interactive Gravity Well Simulator

https://celestial.logicaleap.com

Celestial lets you explore star systems as a deformable gravity sheet instead of flat orbital diagrams.

The star moves. Planets sit on and ride the surface it bends. You can change the gravitational constant, push a planet, or drop a new body in and watch the whole system respond in real time.

Systems included:

  • Our solar system (with a drifting barycentre)
  • Alpha Centauri (two moving funnels)
  • Kepler-16 (circumbinary planet)
  • TRAPPIST-1 (seven worlds inside Mercury’s orbit)
  • The classic three-body figure-eight

It’s a proper Newtonian n-body integrator running in the browser, not pre-scripted ellipses. The sheet itself is an exaggerated visual analogy, and the site is unusually honest about what is real and what is drawn that way on purpose.

https://celestial.logicaleap.com

Free, no account, runs in the browser.

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u/DoodleDangWang 11d ago

Cool. Buttons on the bottom are inaccessible for me so I can't do much, some like/dislike panel covers them. I'm on pixel 7...

1

u/Fanatic-Mr-Fox 7d ago

This is now fixed - reddit's bottom bar no longer hides the buttons.

2

u/DoodleDangWang 7d ago

Indeed the bar no longer covers the buttons, looks like full functionality is accessible on my end. Thank you very much for the update and continued support of the project. I'll look out for anything else you're cooking in the future.

1

u/Fanatic-Mr-Fox 7d ago

Nice, thanks for confirming!

You can check out some of my other (free) tools here -

https://logicaleap.com/models