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Io · Mons · 99th largest named feature

Silpium Mons

Greek; where Io dies of grief in some legends.

What Silpium Mons is

Silpium Mons is a mons — a mountain — on Io, 115 km across, centred at 52.6° S, 87.7° E. It is the 99th largest named feature on Io and the 26th largest of its class there.

Where the name comes from

Greek; where Io dies of grief in some legends. The International Astronomical Union approved the name in 1979, under the theme it applies to every mons on Io. Of the 26 features of this class catalogued on Io, the naming categories run Greek (12), Italy (4), Hawaii (1), Iran (1).

Feature class
a mountain
Diameter
115 km
about the width of Yellowstone
Coordinates
52.6° S, 87.7° E
Planetocentric, on Io
Name approved
1979
By the IAU Working Group for Planetary System Nomenclature
Naming category
Greek
Europe

What it would take to settle Silpium Mons

Io scores 76.7 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 52.6° S, 87.7° E.

Settlement difficulty here
79.4/ 100
Harder than most of this world
Io overall
76.7
2.7 harder than the median site
Ranked
240th
of 260 named places on Io

What this spot has going for it is sunlight 61% of the sunlight the sunniest latitude on Io gets. What works against it is water same as everywhere else on this world.

Computed from Silpium Mons's catalogued latitude, longitude and feature class — 84% of the model's weight had a basis here, and 2 axes were dropped as not applicable to Io (earth link, known ground). Gravity, pressure, delta-v and distance from the Sun are the same everywhere on Io 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 mons features on Io

All 26 montes on Io — mapped together, with the naming theme and the size distribution.