https://ahwoo.com/store/KPbAA1Au/kitten-space-agency
You can zoom out from a craft to the solar sytem and beyond (interstellar is on the roadmap), and it’s completely smooth and seamless 
Also, I love the cat theme, but I’m very divided if I can ever stomach launching a mission with a crew based on my IRL cats 
Orbiting is easy. Orbiting from one planet to another is also easy if you think of it like firing a gun with a curved trajectory that needs to hit another moving object that is travelling on its own curved trajectory at 87,000km/h
Speed up makes your circle bigger, slow down makes your circle smaller. Try not to miss.