Noctis Fossae (Mars)

Data as of 2026-10-23

What it is

Type
Fossa, fossae
IAU definition

Long, narrow depression

Diameter
712.7 km, 21 % of the radius of its body
Centre
2.69° S, 261.15° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1985
Origin of the name

Classical albedo feature at 10S, 96W.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Noctis 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 Altimeter364September 15, 1997June 30, 2001
Mars Global Surveyor · Mars Orbiter Camera10,733September 19, 1997October 17, 2006
2001 Mars Odyssey Orbiter · Thermal Emission Imaging System13,150March 18, 2002November 29, 2025
ESA's Mars Express · High Resolution Stereo Camera617January 13, 2004March 8, 2026
ESA's Mars Express · Planetary Fourier Spectrometer994January 31, 2004December 31, 2018
ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite626January 31, 2004January 12, 2024
ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding1,895July 21, 2005April 19, 2022
Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars9,055September 30, 2006April 29, 2022
Mars Reconnaissance Orbiter · Context Camera657November 12, 2006May 25, 2026
Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment695November 17, 2006June 10, 2026
Mars Reconnaissance Orbiter · Shallow Radar1,999October 7, 2007June 27, 2025
ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System697June 1, 2018December 20, 2024
Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B534no 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/4323

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

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