Hi, I know this post is a bit old, but I analyzed the images this 'Docking Ring' and here is a BrickLink XML parts list. It might not be 100% accurate, but it's a good starting point!
https://drive.google.com/file/d/1n6EHFU_4FhYma8CnmQF7_VUICwlTZjxw/view?usp=drivesdk