Image: Wikimedia Commons

Mab

Moon of Uranus

Also known as Uranus XXVI · S/2003 U 1

Orbits: Uranus
Mass: 9 exagram
1
Sources
1.ssd.jpl.nasa.gov/?sat_phys_parRetrieved 2020-09-05
View statement on Wikidata ↗
Radius: 12 km
1
Sources
1.Stated in NASA FACTSssd.jpl.nasa.gov/?sat_phys_par
View statement on Wikidata ↗
Orbital period: 0.923 days
1
Sources
1.Stated in NASA FACTSssd.jpl.nasa.gov/?sat_phys_par
View statement on Wikidata ↗
Semi-major axis: 97,736 km
Discovered by: Mark Robert Showalter
, Jack J. Lissauer
Discovered: August 25, 2003

Overview

From Wikipedia, the free encyclopedia · Read full article · Text CC BY-SA 4.0

Mab, or Uranus XXVI, is an inner satellite of Uranus. It likely has an ice-rich surface comparable to that of Miranda, unlike the other inner moons, and is the source of the μ ring. Mab's orbit is the outermost of the inner moons of Uranus, and its physical size is one of the smallest.

Overview

All data

21 statements · 33% with external sources · numbers in brackets are citations

Provisional designation: S/2003 U 1
Eccentricity: 0.0025
Apparent magnitude: 26 astronomical filter: V band
Named after: Queen Mab
Inclination: 0.1335 degree
Volume as quantity: 8,000 cubic kilometre
1
Sources
1.Stated in NASA FACTSssd.jpl.nasa.gov/?sat_phys_par
View statement on Wikidata ↗
Albedo: 0.103
1
Sources
1.Stated in NASA FACTSssd.jpl.nasa.gov/?sat_phys_par
View statement on Wikidata ↗
Temperature: 63 K sourcing circumstances: mean

On other databases

3 identifiers linking Mab across the web's reference databases

Freebase ID/m/03932t
Getty Thesaurus of Geographic Names ID7031711
NAIF ID726

Data quality

statements

33%

externally sourced

Source last edited February 8, 2026. AIDB refreshes this page daily.

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AIDB. (2026). Mab (Q15667). Retrieved from https://aidb.si/e/mab-Q15667