Styx

The smallest known moon of Pluto.

16km
Diameter
42,656km
From Pluto
20.2days
Orbital Period
2012
Discovered

About

Styx is the smallest and innermost of Pluto's four small moons. It was the last of Pluto's moons to be discovered.

Properties

16km
Diameter
42,656km
Semi-major Axis
20.16days
Orbital Period
7.5e15kg
Mass
No
Tidally Locked
2012
Discovery Year
Mark R. Showalter
Discovered By

Notable Facts

01

Styx was the last of Pluto's moons to be discovered

Other Moons of Pluto

View all