📡 calcuates the beam a satellite projects on the earth's surface
Try out a demo here.
Install via npm.
$ npm install sat-beam
import { getBeam } from 'sat-beam'
const lng = 2.0 // degrees
const lat = 52.0 // degrees
const radius = 100.0 //km
const points = getBeam(lng, lat, radius)
/*
[ { lat: 53.975960615468395, lng: 1.999999999997981 },
{ lat: 53.959810572100736, lng: 2.112830670635857 },
{ lat: 53.91167290927757, lng: 2.2238947168825023 },
...
*/MIT