space.satellites freeware downloads
WinStars
3.0.278 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 ...
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 ...
SkyORB 3D for Mac OS X
2019.12.2 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, ...