Hello everyone, Im a 17-year-old student dev, I finished a project called Horizon 87, basically I made a web app that helps you predict planet parades and eclipses, it comes with the feature of a 3D mode ive been working on using three.js, and oh for the NASA claim, tldr the program uses a combination of DE442s and VSOP87, with the option of downloading a DE441 package, fyi these are the same engines used by NASA themselves for mission control, and ive validated my outputs with JPL horizons and ...