Calculation of satellite

This is an application for computing satellite related aspects, which can specifically calculate the following content:
1 Calculation of satellite elliptical orbit period：
Calculate the value by inputting the period T, major axis radius a, celestial mass M, gravitational constant G, and Pi (π).
2.Calculation of conductivity generated by collisions between electrons and neutral particles：
Calculate the total conductivity value by inputting conductivity σ en, electron density ne, cost e, electron mass/collision frequency vm.