Ryujin Dorsum (Ryugu)
Data as of 2026-10-23
What it is
- Type
- Dorsum, dorsa
- IAU definition
Ridge
- Diameter
- 3.2 km, 714 % of the radius of its body
- Centre
- 0° N, 180° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- December 18, 2018
- Origin of the name
‘Dragon god’, sea ruler in Japanese fairy tale, father of princess Otohime, master of the undersea Ryugu Palace where fisherman Urashima Taro was a guest.
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Ryujin Dorsum.
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 Ryujin Dorsum.
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/15780
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms