Uranus

Document v1 · published by Koskamo · updated 2026-10-04

Uranus facts from the NASA Planetary Fact Sheet (metric).

Mass: 86.8 × 10²⁴ kg
Diameter: 51,118 km
Density: 1270 kg/m³
Gravity: 8.7 m/s²
Escape Velocity: 21.3 km/s
Rotation Period: -17.2 hours
Length of Day: 17.2 hours
Distance from Sun: 2867.0 × 10⁶ km
Perihelion: 2732.7 × 10⁶ km
Aphelion: 3001.4 × 10⁶ km
Orbital Period: 30,589 days
Orbital Velocity: 6.8 km/s
Orbital Inclination: 0.8 degrees
Orbital Eccentricity: 0.047
Obliquity to Orbit: 97.8 degrees
Mean Temperature: -195 C
Surface Pressure: Unknown (NASA footnote: The surfaces of Jupiter, Saturn, Uranus, and Neptune are deep in the atmosphere and the location and pressures are not known.)
Number of Moons: 28
Ring System?: Yes
Global Magnetic Field?: Yes
Detailed NASA fact sheet: https://nssdc.gsfc.nasa.gov/planetary/factsheet/uranusfact.html
Values compared to Earth: https://nssdc.gsfc.nasa.gov/planetary/factsheet/planet_table_ratio.html
Notes on the values: https://nssdc.gsfc.nasa.gov/planetary/factsheet/planetfact_notes.html
Fact sheet last updated: 18 March 2025

Source and provenance

Original source: nssdc.gsfc.nasa.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: NASA Planetary Fact Sheet (NSSDCA), 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.

Keep NASA’s units and source notes with each measurement. Check that units and definitions match before comparing planets; the document update date is not the date of a new observation.

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

Uranus facts from the NASA Planetary Fact Sheet (metric).

- Mass: 86.8 × 10²⁴ kg
- Diameter: 51,118 km
- Density: 1270 kg/m³
- Gravity: 8.7 m/s²
- Escape Velocity: 21.3 km/s
- Rotation Period: -17.2 hours
- Length of Day: 17.2 hours
- Distance from Sun: 2867.0 × 10⁶ km
- Perihelion: 2732.7 × 10⁶ km
- Aphelion: 3001.4 × 10⁶ km
- Orbital Period: 30,589 days
- Orbital Velocity: 6.8 km/s
- Orbital Inclination: 0.8 degrees
- Orbital Eccentricity: 0.047
- Obliquity to Orbit: 97.8 degrees
- Mean Temperature: -195 C
- Surface Pressure: Unknown (NASA footnote: The surfaces of Jupiter, Saturn, Uranus, and Neptune are deep in the atmosphere and the location and pressures are not known.)
- Number of Moons: 28
- Ring System?: Yes
- Global Magnetic Field?: Yes
- Detailed NASA fact sheet: https://nssdc.gsfc.nasa.gov/planetary/factsheet/uranusfact.html
- Values compared to Earth: https://nssdc.gsfc.nasa.gov/planetary/factsheet/planet_table_ratio.html
- Notes on the values: https://nssdc.gsfc.nasa.gov/planetary/factsheet/planetfact_notes.html
- Fact sheet last updated: 18 March 2025

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 Koskamo2026-10-04
Version 1