astronomic sphere of influence sphere of influence Spheres of Influence gravitational sphere of influence Sphere of influence Sphere of influence sphere of influence spheres of influence Sphere of influence Сфера влияния SOI 作用范围 sphere of influence Sfera wpływów Sphere of influence Sphere of influence Sphere of influence sphere of influence Sphere of influence Sphere of Influence Sphere of influence Sphere of influence English Sphere of influence (astrodynamics) 인력권 Esfera de influencía Sphere of influence SOI location X in space Sphere of influence Sphere of influence sphere of incluence Sphere of Influence English Sphere of influence Sphere of influence sphere of incluence location X in space Sphere of influence