Undine Planitia (Venus)

Data as of 2026-10-23

What it is

Type
Planitia, planitiae
IAU definition

Low plain

Diameter
2,800 km, 46 % of the radius of its body
Centre
13° N, 303° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1997
Origin of the name

Lithuanian water nymph, mermaid.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Undine Planitia.

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.

Observed by
Mission and instrumentProductsFirstLast
Arecibo Observatory and National Radio Astronomy Observatory · Radio Telescope / Robert C. Byrd Green Bank Telescope15June 17, 1988May 30, 2020
Magellan · Radar System737April 18, 1991September 6, 1992
ESA's Venus Express · Visible and Infrared Thermal Imaging Spectrometer1,397May 14, 2006August 13, 2014
MESSENGER at Venus · Mercury Dual Imaging System - Wide Angle Camera278June 5, 2007June 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/6223

Type definitions: IAU Descriptor Terms, read on October 17, 2026. https://planetarynames.wr.usgs.gov/DescriptorTerms

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