Loire Valles (Mars)
Data as of 2026-10-23
What it is
- Type
- Vallis, valles
- IAU definition
Valley
- Diameter
- 790 km, 23 % of the radius of its body
- Centre
- 17.69° S, 342.97° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- 1982
- Origin of the name
Modern river in France.
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Loire 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 | 434 | September 15, 1997 | June 30, 2001 |
| Mars Global Surveyor · Mars Orbiter Camera | 6,222 | October 29, 1997 | October 17, 2006 |
| 2001 Mars Odyssey Orbiter · Thermal Emission Imaging System | 13,740 | February 20, 2002 | November 26, 2025 |
| ESA's Mars Express · Planetary Fourier Spectrometer | 1,178 | April 5, 2004 | December 24, 2018 |
| ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite | 936 | April 30, 2004 | January 8, 2024 |
| ESA's Mars Express · High Resolution Stereo Camera | 412 | May 15, 2004 | April 28, 2022 |
| ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding | 2,309 | July 6, 2005 | April 7, 2022 |
| Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars | 9,626 | November 21, 2006 | May 4, 2022 |
| Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment | 618 | December 3, 2006 | July 7, 2026 |
| Mars Reconnaissance Orbiter · Context Camera | 559 | December 24, 2006 | May 18, 2026 |
| Mars Reconnaissance Orbiter · Shallow Radar | 1,420 | April 1, 2008 | October 29, 2025 |
| ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System | 1,210 | April 30, 2018 | December 17, 2024 |
| Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B | 526 | 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/3455
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms