Alpha Crucis Rupes (Mercury)

Data as of 2026-10-23

What it is

Type
Rupes, rupēs
IAU definition

Scarp

Diameter
511.3 km, 21 % of the radius of its body
Centre
12.48° S, 131.69° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
January 12, 2021
Origin of the name

Brazilian; an oceanographic research vessel investigating the role of the South Atlantic in global climate change, as well as studying marine biodiversity.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Alpha Crucis 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 Camera8,722January 1, 2000November 19, 2014
MESSENGER · Mercury Dual Imaging System4January 1, 2000November 1, 2014
MESSENGER · Mercury Atmospheric and Surface Composition Spectrometer2,448August 13, 2004April 30, 2015
MESSENGER · Mercury Dual Imaging System - Narrow Angle Camera2,263January 14, 2008December 17, 2014
MESSENGER · Mercury Laser Altimeter2August 4, 2011August 5, 2011

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/15954

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

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