Cocytus Montes (Io)
Data as of 2026-10-23
What it is
- Type
- Mons, montes
- IAU definition
Mountain
- Diameter
- 542 km, 30 % of the radius of its body
- Centre
- 60.98° N, 28.33° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- January 29, 2025
- Origin of the name
Name for the frozen lake which is the ninth and final circle of Hell in Dante’s “The Inferno.”
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Cocytus Montes.
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 Cocytus Montes.
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/16370
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms