Louhi Planitia (Venus)

Data as of 2026-10-23

What it is

Type
Planitia, planitiae
IAU definition

Low plain

Diameter
2,440 km, 40 % of the radius of its body
Centre
80.5° N, 120.5° east (planetocentric latitude, east longitude from 0 to 360°, the IAU convention)
Name adopted
1985
Origin of the name

Karelo-Finn mother of the North.

Quoted in English, as the IAU publishes it.

In Galaxy

See it in Galaxy

Opens its body in the application, the camera turned towards Louhi 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
Magellan · Radar System2,307September 15, 1990August 29, 1991
ESA's Venus Express · Visible and Infrared Thermal Imaging Spectrometer768May 14, 2006May 13, 2014
MESSENGER at Venus · MERCURY ATMOSPHERIC AND SURFACE COMPOSITION SPECTROMETER2April 15, 2007April 15, 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/3482

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

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