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 ...
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, ...