Map of the Universe
Charon
Moon · Largest natural satellite of Pluto
About Charon
On 2026-01-01, the date the map shows, Charon was 35.4 AU from the Sun; sunlight takes 4.91 hours to reach it.
It goes round its planet once every 6.39 days, 19,596 km away on average.
It is about 1,212 km across.
The map lists it as a moon and shows it in the Solar System part of the map, drawn on the plane of Earth’s orbit (the ecliptic).
Key numbers
| Orbit radius (semi-major axis) | 19,596 km |
|---|---|
| Orbital period | 6.39 days |
| Eccentricity | 0.0002 |
| Inclination | 112.89° |
| Radius | 606.0 km |
| Distance from the Sun | 35.4 AU |
Where it is
Its place in the universe, from the inside out: Pluto › Solar System › Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: Neptune and the Kuiper belt, a view about 110 AU across.
From Wikipedia
Charon, formal designation (134340) Pluto I, is the largest of the five known natural satellites of the dwarf planet Pluto. It has a mean radius of 606 km (377 mi). Charon is a planetary-mass moon and the sixth-largest known trans-Neptunian object after Pluto, Eris, Haumea, Makemake, and Gonggong.
Excerpt from the Wikipedia article Charon (moon), licensed CC BY-SA 4.0.