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Gazetteer of Planetary Nomenclature

Basic Info

Feature Name Trask Dorsum
Clean Name Trask Dorsum
Feature ID 16497
Target Mercury
Feature Type Dorsum, dorsa

Location


MESSENGER Team
Coordinate System Planetographic, +West, 0 - 360
Northmost Latitude 60.82 °
Southmost Latitude 52.88 °
Eastmost Longitude 332.07 °
Westmost Longitude 337.33 °
Diameter 360.00 km
Center Latitude 56.22 °
Center Longitude 333.83 °
Quad H-05 [pdf]

Status and Origin

Approval Status Adopted by IAU
Approval Date Aug 18, 2026
Continent North America
Ethnicity United States
Origin Newell J.; American geologist (1930-2017).
Reference [938] - Newell J. Trask, Jr. Obituary. Hall Funeral Home, September 25, 2017 (.https://www.hallfh.com/obituaries/Newell-J-Trask-Jr?obId=19138101 )
Updated Aug 19, 2026 6:03 PM

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PDF Maps of Mercury