Two-line element sets (TLEs) and satellite-catalog data are sourced from CelesTrak (Dr. T.S. Kelso) and Space-Track.org, operated by the United States Space Force 18th Space Defense Squadron, and used in accordance with their respective terms of use.
Cloud-cover forecasts and climatology are provided by Open-Meteo.com, licensed under CC BY 4.0. Weather data by Open-Meteo.com.
Map tiles © OpenStreetMap contributors (ODbL), with basemap styles by CARTO, Esri World Imagery and OpenTopoMap (CC BY-SA). Country boundaries from Natural Earth (public domain).
Interactive maps render with MapLibre GL JS (BSD-3-Clause) and deck.gl (MIT, OpenJS Foundation). The 3D globe uses CesiumJS (Apache 2.0).
Satellite positions are computed with the SGP4 model via Skyfield (MIT) on the server and satellite.js (MIT) in the browser.
Built with Next.js and React (MIT) and Django (BSD-3-Clause).
Open data and open source make independent tools like this possible. If you believe an attribution is missing or incorrect, please contact us at [contact email].