Echus Palus (Mars)
Data as of 2026-10-23
What it is
- Type
- Palus, paludes
- IAU definition
"Swamp"; small plain
- Diameter
- 715 km, 21 % of the radius of its body
- Centre
- 12.29° N, 282.73° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- May 20, 2016
- Origin of the name
Classical albedo feature name, Echus Lacus.
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Echus Palus.
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 | 338 | September 15, 1997 | June 30, 2001 |
| Mars Global Surveyor · Mars Orbiter Camera | 11,610 | November 15, 1997 | October 17, 2006 |
| 2001 Mars Odyssey Orbiter · Thermal Emission Imaging System | 10,478 | February 21, 2002 | November 26, 2025 |
| ESA's Mars Express · Planetary Fourier Spectrometer | 1,148 | February 1, 2004 | November 19, 2018 |
| ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite | 960 | February 1, 2004 | January 3, 2024 |
| ESA's Mars Express · High Resolution Stereo Camera | 414 | February 1, 2004 | October 7, 2024 |
| ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding | 1,842 | August 28, 2005 | April 6, 2022 |
| Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars | 6,458 | November 10, 2006 | May 5, 2022 |
| Mars Reconnaissance Orbiter · Context Camera | 508 | November 11, 2006 | May 25, 2026 |
| Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment | 339 | November 22, 2006 | July 1, 2026 |
| Mars Reconnaissance Orbiter · Shallow Radar | 871 | December 22, 2006 | May 30, 2025 |
| ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System | 412 | April 30, 2018 | October 24, 2024 |
| Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B | 397 | 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/15483
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms