camera-controls
A camera control for three.js, similar to THREE.OrbitControls yet supports smooth transitions and more features.
ootk-core
Orbital Object Toolkit. A modern typed replacement for satellite.js including SGP4 propagation, TLE parsing, Sun and Moon calculations, and more.
ootk
Orbital Object Toolkit including Multiple Propagators, Initial Orbit Determination, and Maneuver Calculations.