Arabia Terra (Mars)

Data as of 2026-10-23

What it is

Type
Terra, terrae
IAU definition

Extensive land mass

Diameter
4,851.7 km, 143 % of the radius of its body
Centre
21.25° N, 5.72° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1979
Origin of the name

Classical albedo feature name.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Arabia Terra.

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 Altimeter3,570September 15, 1997June 30, 2001
Mars Global Surveyor · Mars Orbiter Camera46,780September 21, 1997October 17, 2006
2001 Mars Odyssey Orbiter · Thermal Emission Imaging System410,339February 19, 2002November 30, 2025
ESA's Mars Express · Planetary Fourier Spectrometer11,041January 14, 2004December 30, 2018
ESA's Mars Express · High Resolution Stereo Camera8,308January 14, 2004March 7, 2026
ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite7,726January 14, 2004January 10, 2024
ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding19,419July 5, 2005April 7, 2022
Mars Reconnaissance Orbiter · Context Camera19,529September 28, 2006May 31, 2026
Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars362,435September 29, 2006May 7, 2022
Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment26,021September 30, 2006July 30, 2026
Mars Reconnaissance Orbiter · Shallow Radar34,829December 6, 2006February 9, 2026
ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System32,418April 16, 2018December 20, 2024
Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B9,537no 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/336

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

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