Credits

The data and software this runs on.

Satellite Engine stands on the shoulders of giants, and is possible thanks to other people's careful work. These are the sources it depends on.

Orbital elements: Space-Track.orgData provided by United States Space Command (USSPACECOM) via Space-Track.org. Refreshed daily.
Star catalogue: Hipparcos - Credit: ESAUsed under CC BY-NC 3.0 IGO.
Constellation figures: Stellarium - Western sky culture
Planet and Moon textures: Solar System ScopeUsed under CC BY 4.0, resized.
Orbit propagation: satellite.jsThe SGP4 implementation the app runs on, maintained by the author of this app.

Software

Built with React, MUI, and a good deal of other open-source software.

Independence

Satellite Engine is an independent project. Everything credited above is used under its own licence or terms; none of those organisations or projects sponsor, endorse or review this app, and nothing here should be read as implying that they do.

The same applies to Heavensat. Satellite Engine is a successor to it by intention only - it is not affiliated with, authorised by, or endorsed by the original Heavensat or its developers, and shares none of its code or assets.