space.satellites freeware downloads

Orbit Simulator

11.6 freeware download

This 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 download

SkyORB 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, ...

WinStars

3.0.239 freeware download

Who 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 ...

5 freeware award