Kasei Valles (Mars)

Data as of 2026-10-23

What it is

Type
Vallis, valles
IAU definition

Valley

Diameter
1,580 km, 47 % of the radius of its body
Centre
25.14° N, 297.12° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1973
Origin of the name

Word for "Mars" in Japanese.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Kasei Valles.

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
Mars Global Surveyor · Mars Orbiter Laser Altimeter814September 15, 1997June 30, 2001
Mars Global Surveyor · Mars Orbiter Camera17,042November 5, 1997October 17, 2006
2001 Mars Odyssey Orbiter · Thermal Emission Imaging System50,814February 20, 2002November 30, 2025
ESA's Mars Express · Planetary Fourier Spectrometer2,813January 29, 2004December 25, 2018
ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite2,266January 29, 2004January 11, 2024
ESA's Mars Express · High Resolution Stereo Camera1,388January 29, 2004November 8, 2024
ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding4,484July 4, 2005April 8, 2022
Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars44,759October 4, 2006May 7, 2022
Mars Reconnaissance Orbiter · Context Camera2,330November 8, 2006May 30, 2026
Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment2,751November 17, 2006July 26, 2026
Mars Reconnaissance Orbiter · Shallow Radar3,788January 23, 2007February 8, 2026
ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System2,676May 7, 2018December 19, 2024
Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B1,701no date publishedno date published

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/2942

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

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