Thanks for doing my suggestion! I have another idea, make a full binary system but not just the stars. Make binary asteroids orbit binary small moons which orbit binary major moons with orbit binary dwarf planets which orbit binary planets which orbit binary gas giants which orbit binary stars which orbit binary black holes. Press play and watch the chaos
for a custom solar sister i think you should make it kinda like ours but there should be a big ring between earth and mars and you should out a bunch of moons in there and then let time pass and eventually they will collide with the rings and make a big planet between those two planets and it will probably effect the solar system a bit
What if Kepler 22-b replaced Neptune and (Planet of choice) replaced uranus. Kepler is likely to be a gas giant with an inhabitable ocean. But the mass is probably not high enough and it is just an ocean we see with clouds.
I love how Atlas , Hyperion , Tethys , Rhea , Iapetus, and Titan are the most normal ones And Atlas, Hyperion , Iapetus , and Titan are the safest ones