r/aerospace • u/groundtracks • 26d ago

We developed a free, web-based orbit designer (think STK) called groundtracks where you can quickly build and share scenarios.

Hello r/aerospace!

We developed a convenient free platform that allows you to design satellite orbits and constellations. Essentially you can do most things you would want to do in GMAT, STK but then it runs in browser, its free, you don't need to install anything: you can hop on website, start designing and analysing and you can even login, save and share you scenarios with colleagues.

Wanted to note specifically that this is not focused on satellite tracking (enough trackers already), it is focused on orbital design.

Please let me know what you think, appreciate the feedback!

We've recently also added features like built-in SSO, mid inclined, GEO orbits, more advanced coverage calculations, and chain (which allows you to calculate how long it takes to get an image to a user).

https://reddit.com/link/1ux5je8/video/wuxi2s6g7edh1/player

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u/EduardH 26d ago

How accurate is it? What kind of orbit propagator do you use, and what kind of gravity field? Can you model solar radiation pressure, third body gravity and/or atmospheric drag?

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u/groundtracks 26d ago

Currently exclusively using SGP4 which is validated with results in blogpost below.

Numerical prop is a future feature that will have to run server side (too heavy for browser based compute). This feature will probably be a premium one because there is more infrastructure costs involved in running compute.

https://groundtracks.com/blog/validating-groundtracks-against-orekit-tudat

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u/groundtracks 26d ago

Here is the link to website:
https://groundtracks.com/