Suisei Planitia (Mercury)

Data as of 2026-10-23

What it is

Type
Planitia, planitiae
IAU definition

Low plain

Diameter
569 km, 23 % of the radius of its body
Centre
60.88° N, 212.19° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1976
Origin of the name

Japanese word for the planet Mercury.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Suisei Planitia.

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 Camera15,177January 1, 2000November 1, 2014
MESSENGER · Mercury Dual Imaging System13January 1, 2000November 1, 2014
MESSENGER · Mercury Atmospheric and Surface Composition Spectrometer1,411August 13, 2004April 30, 2015
MESSENGER · Mercury Laser Altimeter1,295January 14, 2008April 30, 2015
MESSENGER · Mercury Dual Imaging System - Narrow Angle Camera2,863December 16, 2011March 29, 2015

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/5750

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

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