Drepanum Chasma (Dione)

Data as of 2026-10-23

What it is

Type
Chasma, chasmata
IAU definition

A deep, elongated, steep-sided depression

Diameter
360 km, 64 % of the radius of its body
Centre
46° S, 95° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
March 17, 2008
Origin of the name

Coastal town of Sicily where Aeneas found a safe harbor during a raging storm, and where Anchises died.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Drepanum Chasma.

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 Drepanum Chasma.

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/14377

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

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