Alba Fossae (Mars)

Data as of 2026-10-23

What it is

Type
Fossa, fossae
IAU definition

Long, narrow depression

Diameter
2,072 km, 61 % of the radius of its body
Centre
49.4° N, 253.18° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1973
Origin of the name

Classical albedo 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 Alba Fossae.

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 Altimeter1,667September 15, 1997June 30, 2001
Mars Global Surveyor · Mars Orbiter Camera35,105November 2, 1997October 17, 2006
2001 Mars Odyssey Orbiter · Thermal Emission Imaging System86,701February 23, 2002November 26, 2025
ESA's Mars Express · Planetary Fourier Spectrometer4,857January 21, 2004December 28, 2018
ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite2,446January 21, 2004January 14, 2024
ESA's Mars Express · High Resolution Stereo Camera2,188January 21, 2004February 27, 2026
ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding9,074June 29, 2005March 5, 2022
Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars80,127September 29, 2006April 23, 2022
Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment3,616November 12, 2006July 29, 2026
Mars Reconnaissance Orbiter · Context Camera2,983November 12, 2006April 23, 2026
Mars Reconnaissance Orbiter · Shallow Radar5,302December 6, 2006February 4, 2026
ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System4,829June 6, 2018December 20, 2024
Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B1,694no 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/158

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

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