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The Moon · Rupes · 219th largest named feature

Rupes Mercator

Named from nearby crater.

What Rupes Mercator is

Rupes Mercator is a rupes — a scarp or cliff — on The Moon, 132 km across, centred at 30.2° S, 22.8° W in the Pitatus quadrangle. It is the 219th largest named feature on The Moon and the 4th largest of its class there.

Where the name comes from

Named from nearby crater. The International Astronomical Union approved the name in 1985, under the theme it applies to every rupes on The Moon. Of the 8 features of this class catalogued on The Moon, the naming categories run Mongolia (1), France (1), Germany (1), Belgium (1).

Feature class
a scarp or cliff
Diameter
132 km
about the width of Yellowstone
Coordinates
30.2° S, 22.8° W
Planetocentric, on The Moon
Name approved
1985
By the IAU Working Group for Planetary System Nomenclature
Quadrangle
Pitatus
Map sheet on The Moon
Naming category
Belgium
Europe

What it would take to settle Rupes Mercator

The Moon scores 29.1 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 30.2° S, 22.8° W.

Settlement difficulty here
29.5/ 100
Typical for this world
The Moon overall
29.1
0.4 harder than the median site
Ranked
1092nd
of 2,023 named places on The Moon

What this spot has going for it is earth link near side — Earth stands 53° above the horizon and never moves. What works against it is water outside the ice-bearing latitudes.

Computed from Rupes Mercator's catalogued latitude, longitude and feature class — 84% of the model's weight had a basis here, and one axis was dropped as not applicable to The Moon (radiation geometry). Gravity, pressure, delta-v and distance from the Sun are the same everywhere on The Moon 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 rupes features on The Moon