Abstract: This paper introduces the naming process by the International Astronomical Union for Pluto’s two newly discovered satellites. The fourth satellite has been named Kerberos, and the fifth named Styx, respectively. For the translation and naming of these two satellites in Chinese, as it relates to the relevant basic principles and the traditions and customs of the disciplines, the paper also presents a brief introduction on some related aspects.

Key words: Kerberos (Pluto’s fourth satellite), Styx (Pluto’s fifth satellite), satellite in the solar system, naming for astronomy terminology