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Ceres · Crater · 72nd largest named feature

Anura

Arawakan (Guyana) spirit of the tobacco seeds.

What Anura is

Anura is a crater — a circular depression, almost always an impact scar — on Ceres, 37 km across, centred at 13.9° S, 11.8° E. It is the 72nd largest named feature on Ceres and the 55th largest of its class there.

Where the name comes from

Arawakan (Guyana) spirit of the tobacco seeds. The International Astronomical Union approved the name in 2015, under the theme it applies to every crater on Ceres. Of the 115 features of this class catalogued on Ceres, the naming categories run Roman (6), Sumerian (5), Egypt (5), Polynesia (3).

Feature class
a circular depression, almost always an impact scar
Diameter
37 km
about a marathon
Coordinates
13.9° S, 11.8° E
Planetocentric, on Ceres
Name approved
2015
By the IAU Working Group for Planetary System Nomenclature
Naming category
Guyana
South and Central America

What it would take to settle Anura

Ceres scores 43.8 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 13.9° S, 11.8° E.

Settlement difficulty here
42.5/ 100
Typical for this world
Ceres overall
43.8
1.3 easier than the median site
Ranked
27th
of 149 named places on Ceres

What this spot has going for it is sunlight 97% of the sunlight the sunniest latitude on Ceres gets. What works against it is water outside the ice-bearing latitudes.

Computed from Anura's catalogued latitude, longitude and feature class — 68% of the model's weight had a basis here, and 3 axes were dropped as not applicable to Ceres (radiation geometry, earth link, known ground). Gravity, pressure, delta-v and distance from the Sun are the same everywhere on Ceres 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 crater features on Ceres

All 115 craters on Ceres — mapped together, with the naming theme and the size distribution.