quaoar - Robuta Search

https://en.wikipedia.org/wiki/50000_Quaoar

https://mymodernmet.com/rings-quaoar/

Astronomers have discovered that Quaoar, a small (presumably) dwarf planet in the Kuiper belt, has rings like Saturn.

https://www.universetoday.com/articles/dwarf-planet-quaoar-has-a-ring