Simud Valles (Mars)
Data as of 2026-10-23
What it is
- Type
- Vallis, valles
- IAU definition
Valley
- Diameter
- 988 km, 29 % of the radius of its body
- Centre
- 19.09° N, 321.99° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- 1973
- Origin of the name
Word for "Mars" in Sumerian.
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Simud 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.
| Mission and instrument | Products | First | Last |
|---|---|---|---|
| Mars Global Surveyor · Mars Orbiter Laser Altimeter | 484 | September 15, 1997 | June 30, 2001 |
| Mars Global Surveyor · Mars Orbiter Camera | 10,294 | September 21, 1997 | October 17, 2006 |
| 2001 Mars Odyssey Orbiter · Thermal Emission Imaging System | 23,505 | February 20, 2002 | November 14, 2025 |
| ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite | 1,256 | January 14, 2004 | December 31, 2023 |
| ESA's Mars Express · High Resolution Stereo Camera | 1,020 | January 14, 2004 | October 22, 2024 |
| ESA's Mars Express · Planetary Fourier Spectrometer | 1,554 | April 9, 2004 | December 7, 2018 |
| ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding | 2,663 | July 28, 2005 | April 3, 2022 |
| Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars | 18,188 | October 3, 2006 | April 27, 2022 |
| Mars Reconnaissance Orbiter · Context Camera | 841 | October 3, 2006 | May 31, 2026 |
| Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment | 876 | December 16, 2006 | July 23, 2026 |
| Mars Reconnaissance Orbiter · Shallow Radar | 1,633 | January 23, 2007 | December 5, 2025 |
| ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System | 1,174 | April 29, 2018 | December 17, 2024 |
| Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B | 1,238 | no date published | no 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/5544
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms