space.satellites freeware downloads
Orbit Simulator
11.6 freeware downloadThis is a physics-based satellite orbit simulator with 3-dimensional graphics for observing the orbit tracks in relation to Earth and the Moon. Designed mainly as an ...
WinStars
3.0.301 freeware downloadWho has not been dazzled and intrigued when lifting his gaze to the celestial vault on a clear, dark night? WinStars is the spectacle of those ...
SkyORB 3D for Mac OS X
2021 LTS 1 freeware downloadSkyORB is a fast and lightweight astronomy app including a 3D star map, 3D planetarium, ephemeris with notifications, search engine, sun clock, point to sky, weather, ...