Geodrafter – Draw 2D Geometry easily – Matheretter https://www.matheretter.de/calc/geodrafter?draw=kreis%280%7C0+6.378%29%0Akreis%280%7C0+7.278%29%0Avektor%280%7C0+0%7C6.378+%22Radius+Erde%22%29%0Avektor%286.378%7C0+0.9%7C0+%22Flugh%C3%B6he%22%29%0Avektor%280%7C0+-7%7C2+%22Radius+Umlaufbahn%22%29&scale=10
This math drawing program draws 2D geometry shapes: