FreeFlyer® is an aerodynamic simulation software for space mission design, analysis and operations. It is a commercial software used in actual missions. Free for students, paid for startups/companies. It allows you to code a script and run all types of orbital analysis including ground station coverage area, orbital variables, real time orbit determination, basically full mission cycle analysis. Used by NASA, NOAA, USAF, NRO. Very powerful software, and easily usable.