Map of the Universe
Tethys
Moon · Moon of Saturn
About Tethys
On 2026-01-01, the date the map shows, Tethys was 9.52 AU from the Sun; sunlight takes 79.2 minutes to reach it.
It goes round its planet once every 1.89 days, 294,975 km away on average.
It is about 1,062 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) | 294,975 km |
|---|---|
| Orbital period | 1.89 days |
| Eccentricity | 0.0011 |
| Inclination | 27.21° |
| Radius | 531.1 km |
| Distance from the Sun | 9.52 AU |
Where it is
Its place in the universe, from the inside out: Saturn › 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
Tethys is the fifth-largest moon of Saturn, measuring about 1,060 km (660 mi) across. It was discovered by Giovanni Domenico Cassini in 1684, and is named after the titan Tethys of Greek mythology.
Excerpt from the Wikipedia article Tethys (moon), licensed CC BY-SA 4.0.