astrogate: From astro- + (navi)gate. To control and guide a spacecraft. astronautics: The science and technology of spaceflight. From astro- + nauticuss, "sailing amongst the stars". celestial: relative to the sky satellite constellation: Synonym for satellite network. selenography: geography, but for the Moon. planetoid: smaller than a planet, a rocky celestial bodies that orbits around something (moon, dwarf planets, asteroids). # prefixes https://www.quora.com/Earth-has-a-prefix-of-geo-What-are-the-prefixes-used-by-the-rest-of-the-solar-system