السلام عليكم ورحمة الله وبركاته Is there a time period for making up sunan rawātib? Can I make them up even if multiple days have passed, and does the order in which I make them upp matter? BārakAllāhu fīk!

You make them up in order, and there are different opinions in regards to this. All of this depends on whether you missed them intentionally or not. If it was intentionally, you don't make them up, but if not, then you can make them up. However, as I said, there are different opinions: some say you cannot make them up, while some say you can, even if the pause was long, but they did not define what the word "long" means. This is what I know, and Allah knows best.