Rona Chasma (Venus)
Data as of 2026-10-23
What it is
- Type
- Chasma, chasmata
- IAU definition
A deep, elongated, steep-sided depression
- Diameter
- 1,520 km, 25 % of the radius of its body
- Centre
- 2.5° N, 288° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
- Name adopted
- July 24, 2012
- Origin of the name
Maori Moon goddess who controls the tides.
Quoted in English, as the IAU publishes it.
In Galaxy
Opens its body in the application, the camera turned towards Rona Chasma.
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 |
|---|---|---|---|
| Arecibo Observatory and National Radio Astronomy Observatory · Radio Telescope / Robert C. Byrd Green Bank Telescope | 15 | June 17, 1988 | May 30, 2020 |
| Magellan · Radar System | 315 | April 12, 1991 | December 23, 1991 |
| ESA's Venus Express · Visible and Infrared Thermal Imaging Spectrometer | 1,555 | May 14, 2006 | October 6, 2014 |
| MESSENGER at Venus · Mercury Dual Imaging System - Wide Angle Camera | 278 | June 5, 2007 | June 5, 2007 |
| MESSENGER at Venus · Mercury Dual Imaging System - Narrow Angle Camera | 15 | June 5, 2007 | June 5, 2007 |
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/15018
Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms