Moon

Enceladus

Solar System

Scientific overview

Enceladus is a moon orbiting Saturn.

Physical characteristics

Mass	0 ×10²⁴ kg
Diameter	504 km
Radius	252.1 km
Density	1.608 g/cm³
Albedo	1.375
Magnitude	11.8

Sources

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
NASA JPLJet Propulsion Laboratory / Solar System Dynamics
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.

Quick facts

Type: Moon
Orbits: Saturn

Provenance & sources

review 2026.1

Asteria Scientific Review Process · verification: sourced · accurate

High evidenceconfirmed
Enceladus, a moon of Saturn, vents water-ice plumes from its south-polar region that feed Saturn's E ring, indicating a subsurface liquid-water ocean.
Source: NASA Science · Public domain (US Government work)

Reviewed by the internal Asteria Scientific Review Process — not an external institutional review. See the evidence framework and authority dashboard.

Scientific citations

Real, source-backed references — primary papers first, then datasets and institutional sources. Formatted through the citation engine; nothing is fabricated.

Institutional pageEnceladus — NASA Solar System Exploration

NASA

Cite (APA / BibTeX)

NASA (n.d.). Enceladus — NASA Solar System Exploration. NASA. https://science.nasa.gov/

@misc{cite:nasa-moon-enceladus,
  title        = {Enceladus — NASA Solar System Exploration},
  organization = {NASA},
  year         = {n.d.},
  url          = {https://science.nasa.gov/},
  note         = {NASA overview of Enceladus.}
}

Quality & authority

63%

Reviewed

Completeness: Complete
Source coverage: Complete
Citation coverage: Complete
Relationship coverage: Complete
Review coverage: Complete
Image coverage: None

Data from the NASA Planetary Fact Sheet & JPL (public domain). See source quality.

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Sources

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration

Mission data, planetary science, space telescopes, and public-domain imagery.

Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

NASA JPLJet Propulsion Laboratory / Solar System Dynamics

Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.

NASA (n.d.). Enceladus — NASA Solar System Exploration. NASA. https://science.nasa.gov/ @misc{cite:nasa-moon-enceladus, title = {Enceladus — NASA Solar System Exploration}, organization = {NASA}, year = {n.d.}, url = {https://science.nasa.gov/}, note = {NASA overview of Enceladus.} }