Icaria Fossae (Mars)

Data as of 2026-10-23

What it is

Type
Fossa, fossae
IAU definition

Long, narrow depression

Diameter
2,115.4 km, 62 % of the radius of its body
Centre
48.09° S, 234.84° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1985
Origin of the name

From albedo feature at 44S, 130W.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Icaria 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 Altimeter1,897September 15, 1997June 30, 2001
Mars Global Surveyor · Mars Orbiter Camera29,894September 19, 1997October 17, 2006
2001 Mars Odyssey Orbiter · Thermal Emission Imaging System87,963February 19, 2002November 30, 2025
ESA's Mars Express · Planetary Fourier Spectrometer4,806January 21, 2004December 29, 2018
ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite1,738January 21, 2004January 13, 2024
ESA's Mars Express · High Resolution Stereo Camera2,281January 31, 2004March 9, 2026
ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding10,252July 6, 2005April 17, 2022
Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars85,376September 29, 2006May 7, 2022
Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment4,869October 3, 2006July 27, 2026
Mars Reconnaissance Orbiter · Context Camera4,620October 3, 2006May 30, 2026
Mars Reconnaissance Orbiter · Shallow Radar6,071December 6, 2006August 30, 2025
ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System7,339May 5, 2018November 30, 2024
Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B1,768no 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/2640

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

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