https://github.com/tabahi/planetsanimate

https://github.com/tabahi/planetsanimate

Last synced: 3 months ago
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• Host: GitHub
• URL: https://github.com/tabahi/planetsanimate
• Owner: tabahi
• License: mit
• Created: 2022-08-05T19:37:22.000Z (almost 3 years ago)
• Default Branch: main
• Last Pushed: 2022-10-03T08:00:39.000Z (over 2 years ago)
• Last Synced: 2025-01-13T14:52:31.755Z (5 months ago)
• Language: JavaScript
• Size: 386 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# PlanetsAnimate

 

A bare minimum Horizon API based planet positions animator. Run `serve.js` with node to start a static server, then open `localhost:8080/index.htm` in the browser.

## NASA Horizon API mode

In this mode ephemeris needs to downloaded and saved before the animation can run. Run `download_epi.js` to download the ephemeris for required years (edit on line 13-14). Then ephemeris will take some times to download depending on how many years you want to cache.

[More information about the ephemeris](https://ssd-api.jpl.nasa.gov/doc/horizons.htm)

![Geocentric ephemeris view](./preview2.png "Geocentric ephemeris view")

## Kepler Heliocentric mode

This is a simple mathematical estimation based mode. [More information about the equations and parameters](https://orbital-mechanics.space/reference/planetary-ephemeris.html).

![Heliocentric estimations view](./preview1.png "Heliocentric estimations view")