Every point is a real, active satellite, placed by propagating its latest orbital elements with the standard SGP4 model — the same math mission controllers use. Positions update live in your browser.
Orbital data & catalog: CelesTrak · Globe: CesiumJS with Natural Earth II imagery · Propagation: satellite.js.
Explore the catalog by constellation, operating country, or orbit type:
A curated set of real objects — the ISS, Hubble, a Starlink train, GPS and a Molniya arc — propagated live with SGP4 and traced at 100× speed.