Arthur (Mimas)

Data as of 2026-10-23

What it is

Type
Crater, craters
IAU definition

A circular depression

Diameter
64 km, 32 % of the radius of its body
Centre
35.4° S, 163.96° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1982
Origin of the name

King of the Round Table Assemblage.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Arthur.

Missions to its body

No observation record of this formation is crossed here. These are the missions the Planetary Data System declares for its body; none is claimed to have observed Arthur.

Sources

International Astronomical Union Working Group for Planetary System Nomenclature, Gazetteer of Planetary Nomenclature, read on October 23, 2026. Feature page: https://planetarynames.wr.usgs.gov/Feature/403

Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms

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