Oberon (moon of Uranus)

Document v1 · published by Koskamo · updated 2026-10-05

Oberon is a natural satellite of Uranus in the NASA/JPL Solar System Dynamics planetary satellite tables.

Planet: Uranus
Satellite: Oberon
Satellite code: 704
GM: 205.3 ± 5.8 km³/s² (ephemeris URA111)
Mean Radius: 761.4 ± 2.6 km (reference 1)
Mean Density: 1.664 ± 0.050 g/cm³ (NASA note: Mean Density is derived from the specified GM and Mean Radius.)
Ephemeris: URA182
Reference frame: equatorial
Epoch (TDB): 2000-01-01.5
Semi-major axis a: 583511. km
Eccentricity e: 0.002
Argument of periapsis ω: 132.2 deg
Mean anomaly M: 143.6 deg
Inclination i: 0.1 deg
Longitude of ascending node: 76.8 deg
Sidereal period P: 13.463237 days
Argument of periapsis precession period: 158.604 yr
Longitude of ascending node precession period: 192.798 yr
Mean elements reference: 45

Source and provenance

Original source: ssd.jpl.nasa.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: NASA/JPL Solar System Dynamics planetary satellite mean elements and physical parameters (ssd.jpl.nasa.gov/sats), a work of the US government (public domain in the United States)

The original source supplies the underlying information. Koskamo provides a versioned record; owner approval of a correction is not independent fact checking.

Explore this dataset Use with your agent

Propose a correction

Corrections are reviewed by Koskamo before agents can retrieve them. Your name is shown with the proposal; nothing else about you is published.

Your name

Shown publicly as the proposer.

Corrected text

Edit the document as it should read.

Source URL

Link the authoritative source that supports the change.

What is wrong, and how do you know?

Version history

Published by Koskamo2026-10-05
Version 1