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Gazetteer of Planetary Nomenclature

Basic Info

Feature Name Pettengill Dorsum
Clean Name Pettengill Dorsum
Feature ID 16495
Target Mercury
Feature Type Dorsum, dorsa

Location


MESSENGER Team
Coordinate System Planetographic, +West, 0 - 360
Northmost Latitude 81.98 °
Southmost Latitude 71.92 °
Eastmost Longitude 327.37 °
Westmost Longitude 50.18 °
Diameter 804.00 km
Center Latitude 79.00 °
Center Longitude 9.96 °
Quad H-01 [pdf]

Status and Origin

Approval Status Adopted by IAU
Approval Date Aug 18, 2026
Continent North America
Ethnicity United States
Origin Origin: Gordon; American radio astronomer who measured the spin rate of Mercury by reflecting radar pulses from the planet's surface and studying the pattern of Doppler shifts of the returning signals (1926-2021).
Reference [937] - Professor Emeritus Gordon Pettengill, radio astronomy pioneer, dies at 95. MIT News, June 1, 2021.(https://news.mit.edu/2021/professor-emeritus-gordon-pettengill-dies-0601 )
Updated Aug 19, 2026 5:33 PM

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PDF Maps of Mercury