Moon of Pluto
Styx
A moon of Pluto.
At Pluto.
Measured
- Mean radius
- 5.2 km
- Goes round once every
- 20.2 days
- Distance from Pluto
- about 43,200 km (its orbit's average)
- Orbit
- inclined 0°, eccentricity 0.025
- JPL / NAIF id
- 905
How far, from the Earth
About 36 AU. To cross it:
- Light4 hours 59 minutes
- Voyager 1's speed10.1 years
- Driving at 100 km/h6,140 years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Where this comes from
- Moons: JPL Planetary Satellite Mean Elements and Physical Parameters, paced to JPL Horizons. NASA/JPL-Caltech. Sizes JPL leaves out are estimates, mostly from brightness: Scott Sheppard's moon pages at Carnegie.
Every catalogue Ouranos draws is credited on the credits page.