Sedna Planitia (Venus)

Data as of 2026-10-23

What it is

Type
Planitia, planitiae
IAU definition

Low plain

Diameter
3,570 km, 59 % of the radius of its body
Centre
42.7° N, 340.7° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1982
Origin of the name

Eskimo; her fingers became seals and whales.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Sedna 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 System1,231September 15, 1990February 7, 1992
ESA's Venus Express · Visible and Infrared Thermal Imaging Spectrometer528May 14, 2006May 15, 2014

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/5404

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

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