Orbit Simulator A physics-based satellite orbit simulator for designing space missions.
SpaceEngine 0.9.8.0Free space simulation software that lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies
Stellarium 0.19.3Planetarium software
CyberSky 5.1.1Personal planetarium program
X-Stellarium 0.13.1 [re10]Enables you to view and navigate constellations, stars and planets in a three-dimensional environment, with multiple language support
Portable Stellarium 0.13.0View planets and constellations
