Orrery
Interactive solar system from Earth to the Oort Cloud.
Plot 41,119 stars by magnitude and B-V color index, 88 IAU constellations, every planet, 32 moons, 3,000+ asteroids, 110+ deep-sky objects, and 5 interstellar spacecraft. Live near-Earth-object data, solar wind speed, and satellite TLEs update behind the scenes.
What it does
41,119 stars
Plotted by magnitude and B-V color from the HYG database. Constellations from IAU stick figures.
The whole solar system
Eight planets, 32 named moons, 3,000+ asteroids, 110+ Messier/NGC objects, dwarf planets.
Live near-Earth objects
Daily NEO feed from NASA, with closest-approach distance and relative velocity.
Solar wind + satellites
Real-time solar wind speed and active satellite positions from public TLE catalogues.
Cinematic tours
Curated journeys from Earth to the Oort Cloud at 2,000–50,000 AU.
Time controls
Real-time, real-time × 1000, all the way to 100 years per second. Scrub or pause.
Colorblind-safe themes
Four palettes derived from Wong 2011 to keep planet identification clear.
2K and 4K textures
Mobile-first responsive scaling; high-res surface textures unlocked on capable devices.