I basically copied all the code on Orbital Mechanics Series of Alfonso Gonzalez (because I really don't have any experience with coding, but would like to in the future) on Youtube (for a school project) from videos 1-8. My 3D Plot doesn't look right when I try to simulate the ISS and others' orbit (from video 7). I can't find what's wrong with it, please help me. The code is too long to post here. But in this picture, doesn't show well, but there are just horizontal lines going towards the center when there are supposed to be orbital trails.