Astronomy. VSOP2013 planetary positions. PlanetFun App: Solar system model in 3D. LeapFrog Gravity Integration. Stars, Moon and planets. The discovery of Neptune
JavaScript library to get Positions for Astronomical Bodies, including VSOP2013, VSOP2010, VSOP87, TOP2013, TOP2010, ELP2000-MPP02, ELP2000-82b, EPHASTER ephemerides and some home-grown ones (mgstat2023). Optimized for speed and size.