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Titan · Fretum · 93rd largest named feature

Trevize Fretum

Golan Trevize, fictional character in Isaac Asimov's Foundation Series, councilman of the planet Terminus.

What Trevize Fretum is

Trevize Fretum is a fretum — a strait — a narrow channel connecting two larger bodies of liquid — on Titan, 173 km across, centred at 74.4° N, 90.1° E. It is the 93rd largest named feature on Titan and the 2nd largest of its class there.

Where the name comes from

Golan Trevize, fictional character in Isaac Asimov's Foundation Series, councilman of the planet Terminus. The International Astronomical Union approved the name in 2015, under the theme it applies to every fretum on Titan.

Feature class
a strait — a narrow channel connecting two larger bodies of liquid
Diameter
173 km
about 1.7 times the width of Yellowstone
Coordinates
74.4° N, 90.1° E
Planetocentric, on Titan
Name approved
2015
By the IAU Working Group for Planetary System Nomenclature
Naming category
United States
North America

What it would take to settle Trevize Fretum

Titan scores 32.6 as a world. That number is the same for every square metre of it — but sunlight, water, radiation and the ground under your feet are not. This is the same question asked at 74.4° N, 90.1° E.

Settlement difficulty here
33.4/ 100
Typical for this world
Titan overall
32.6
0.8 harder than the median site
Ranked
239th
of 304 named places on Titan

What this spot has going for it is water inside the polar zone where Titan keeps its ice. What works against it is temperature about -180 °C mean at this latitude.

Computed from Trevize Fretum's catalogued latitude, longitude and feature class — 74% of the model's weight had a basis here, and 2 axes were dropped as not applicable to Titan (radiation geometry, earth link). Gravity, pressure, delta-v and distance from the Sun are the same everywhere on Titan and are already counted in the world's own index, not again here.

What this cannot see: elevation. Slope, local shadowing and the polar “peaks of eternal light” — ridge tops near the poles of a barely tilted world that catch sun almost continuously while a crater floor kilometres away never does — need a terrain model this does not have. Where a real mission targets a pole, that is usually why.

What is next to it

The largest fretum features on Titan