Hertzsprung (Moon)
Data as of 2026-10-23
What it is
- Type
- Crater, craters
- IAU definition
A circular depression
- Diameter
- 536.4 km, 31 % of the radius of its body
- Centre
- 1.37° N, 231.34° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- 1970
- Origin of the name
Ejnar; Danish astronomer (1873-1967).
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Hertzsprung.
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 |
|---|---|---|---|
| Clementine · High Resolution Camera | 3,063 | February 16, 1994 | May 7, 1994 |
| Clementine · Ultraviolet/Visible Camera | 2,763 | March 8, 1994 | April 6, 1994 |
| Clementine · Near Infrared Camera | 1,684 | March 8, 1994 | April 6, 1994 |
| Clementine · Long Wavelength Infrared Camera | 1,184 | March 8, 1994 | April 24, 1994 |
| JAXA SELENE/KAGUYA Main Orbiter · Terrain Camera | 4,324 | November 2, 2007 | May 17, 2009 |
| JAXA SELENE/KAGUYA Main Orbiter · High Definition Television | 6,045 | November 30, 2007 | May 17, 2009 |
| JAXA SELENE/KAGUYA Main Orbiter · Lunar Radar Sounder | 410 | December 14, 2007 | August 30, 2008 |
| JAXA SELENE/KAGUYA Main Orbiter · Laser Altimeter | 21 | January 10, 2008 | October 24, 2008 |
| JAXA SELENE/KAGUYA Main Orbiter · Multiband Imager | 5,799 | April 2, 2008 | September 27, 2008 |
| ISRO's Chandrayaan-1 · Moon Mineralogy Mapper | 72 | December 22, 2008 | August 12, 2009 |
| ISRO's Chandrayaan-1 · Forerunner (aka "Mini-RF" or "Mini-SAR") | 1,352 | January 7, 2009 | August 28, 2009 |
| Lunar Reconnaissance Orbiter · DIVINER Lunar Radiometer Experiment | 10,379 | July 5, 2009 | June 8, 2026 |
| Lunar Reconnaissance Orbiter · Lunar Reconnaissance Orbiter Camera | 25,633 | July 9, 2009 | June 8, 2026 |
| Lunar Reconnaissance Orbiter · Lunar Orbiter Laser Altimeter | 1,719 | July 13, 2009 | November 29, 2016 |
| Lunar Reconnaissance Orbiter · MINI-RF LRO | 735 | October 26, 2009 | January 21, 2011 |
| Korea Pathfinder Lunar Orbiter · Shadow Camera | 340 | March 1, 2023 | July 18, 2024 |
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/2482
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms