Chikyu Rupes (Mercury)

Data as of 2026-10-23

What it is

Type
Rupes, rupēs
IAU definition

Scarp

Diameter
561 km, 23 % of the radius of its body
Centre
53.82° S, 100.38° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
January 12, 2021
Origin of the name

Japanese; a scientific drilling ship built for the Integrated Ocean Drilling Program to conduct deep-sea geological research.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Chikyu Rupes.

Observed by

Instruments whose footprint touches this formation, counted by the PDS Orbital Data Explorer (data frozen on September 29, 2026). A footprint that touches it is not a study of it.

Observed by
Mission and instrumentProductsFirstLast
MESSENGER · Mercury Dual Imaging System - Wide Angle Camera14,170January 1, 2000February 26, 2015
MESSENGER · Mercury Dual Imaging System13January 1, 2000November 1, 2014
MESSENGER · Mercury Atmospheric and Surface Composition Spectrometer3,420August 13, 2004April 30, 2015
MESSENGER · Mercury Dual Imaging System - Narrow Angle Camera2,063January 14, 2008November 20, 2014

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/15955

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

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