Explore realtime satellite tracking in the browser through this JSConf 2014 talk. Dive into orbital mechanics concepts and learn how to calculate and plot satellite positions using Leaflet.js and satellite.js. Discover the challenges of 2D map projections and the advantages of 3D representations. Gain insights into perturbations, polar orbits, orbital eccentricity, Kepler's laws, and orbital propagation. Follow along as the speaker demonstrates the implementation process, discusses potential pitfalls, and explores the possibility of creating a 3D satellite tracker using WebGL.