Hephaestus Rupes (Mars)
Data as of 2026-10-23
What it is
- Type
- Rupes, rupēs
- IAU definition
Scarp
- Diameter
- 1,707.4 km, 50 % of the radius of its body
- Centre
- 23.54° N, 114.9° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- 2003
- Origin of the name
Named for classical albedo feature at 20N, 240W.
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Hephaestus Rupes.
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 Camera | 17,938 | September 15, 1997 | October 16, 2006 |
| Mars Global Surveyor · Mars Orbiter Laser Altimeter | 936 | September 15, 1997 | June 30, 2001 |
| 2001 Mars Odyssey Orbiter · Thermal Emission Imaging System | 52,501 | February 28, 2002 | November 26, 2025 |
| ESA's Mars Express · Observatoire Mineralogie, Eau, Glaces, Activite | 776 | January 15, 2004 | January 14, 2024 |
| ESA's Mars Express · Planetary Fourier Spectrometer | 2,672 | April 6, 2004 | December 29, 2018 |
| ESA's Mars Express · High Resolution Stereo Camera | 1,407 | December 15, 2004 | February 3, 2025 |
| ESA's Mars Express · Mars Advanced Radar for Subsurface and Ionsphere Sounding | 5,132 | July 5, 2005 | April 17, 2022 |
| Mars Reconnaissance Orbiter · Context Camera | 2,263 | September 28, 2006 | May 26, 2026 |
| Mars Reconnaissance Orbiter · Compact Reconnaissance Imaging Spectrometer for Mars | 42,266 | September 30, 2006 | May 7, 2022 |
| Mars Reconnaissance Orbiter · High-Resolution Imaging Science Experiment | 2,488 | November 18, 2006 | July 23, 2026 |
| Mars Reconnaissance Orbiter · Shallow Radar | 5,031 | March 11, 2007 | December 12, 2025 |
| ExoMars Trace Gas Orbiter · Colour and Stereo Surface Imaging System | 3,772 | May 28, 2018 | December 20, 2024 |
| Viking Orbiter 1 and 2 · Visual Imaging Subsystem Camera A/B | 951 | 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/2459
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms