A web simulator of satellites flying in circles. I wrote it to prove to myself that i still remember some typescript. The app is a patchwork of formulas from Wikipedia that i barely understand:)
Try it here.
Make sure you have npm installed, then just clone the repo and install dependencies
git clone https://github.com/izawartka/periapsis
cd periapsis
npm install
run by:
npm start
build by:
npm run build
masuo / izawartka