Ivory
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| Orbital characteristics | ||
| Mass (Kg) | 7.99E+18 | |
| Radius (Km) | 77.1 | |
| Solar Day (h) | 9.29 | |
| Orbital Period (days) | .71 | |
| Semi-Major Axis (Km) | 1.78E+04 | |
| Periapsis (AU) | 15,793(km) | |
| Apoapsis (AU) | 19,881(km) | |
| Albedo | .09 | |
| Surface Temperature (K) | 182 | |
| Surface Gravity (m/s^2) | .08 | |
| Axial Tile (degrees) | 3.05 | |
| Inclination (degrees) | 2.04 | |
| Orbital Speed (Km/s) | 23 | |
| Satellites | None | |
North Polar Regions
The North Polar Regions of Ivory are defined by dark, elevated terrain broken by extensive crater fields, wind-scoured ridges, and scattered patches of frost along the highest latitudes. The far northwestern uplands, collectively referred to as the Zephyron Marches, form a harsh and exposed region shaped by persistent high-altitude winds and minimal atmospheric buffering. To the east of this, the large enclosed depression known as the Basin of Clear Silence occupies one of the most visually distinct northern basins, its subdued tone and relative smoothness contrasting with the surrounding fractured highlands. Rising prominently nearby, the elevated massif called the Crown of Lucent Stone marks one of the clearest highland structures in the northern hemisphere, its lighter tone and broad uplift suggesting a region of exposed, weathered bedrock.
Further east, the terrain transitions into the broken uplands of the High Aetheric Rise, a region of steep slopes, cratered ridges, and uneven elevation. Along the northeastern boundary, the fractured edge known as the Haifan Verge forms a transition into more heavily disrupted terrain. Across these northern zones, the surface is characterized by long-term erosion, impact scarring, and wind-driven redistribution of fine material, producing a landscape that appears both ancient and sharply defined. The northern hemisphere is therefore dominated by exposed stone, elevated ridges, and cratered basins, with the Zephyron Marches, Basin of Clear Silence, Crown of Lucent Stone, High Aetheric Rise, and Haifan Verge providing a more localized geography within Ivory’s broader austere polar environment.
Equatorial Regions
The Equatorial Regions of Ivory contain the most structurally varied terrain on the moon, with large crater basins, broad elevated plains, and deeply incised chasm systems forming a complex central landscape. The dominant central region, known as the Aetherion Expanse, stretches across much of the equatorial belt and is defined by overlapping crater fields, worn basin floors, and expanses of exposed, wind-smoothed stone. To the west, the elongated canyon system called Harpyon Chasma cuts through older terrain, forming one of the most prominent linear depressions on the surface and a natural corridor through otherwise elevated ground. Nearby, the transitional zone known as Caravan Reach marks a more navigable expanse of terrain, its relatively smoother surface suggesting a natural route across the equatorial region.
In the central interior, the broad depression known as the Wayfarer Basin occupies a key lowland within the Expanse, while the elevated plateau region referred to as Sanctum Aetheris rises slightly above surrounding terrain as a zone of relative stability. Farther east, the large impact structure known as Riftveil Patera dominates one of the most visually distinct eastern basins, while the boundary region called the Palewind Threshold marks a transition into more fragmented and irregular terrain. The branching fracture network known as Talonreach Fossae extends across this eastern region, creating a pattern of broken ridges and channels that further complicates the landscape.
The equatorial regions are defined by their combination of crater basins, elevated ridges, and navigable lowlands, forming a terrain that is both physically challenging and structurally varied. The presence of Caravan Reach, Wayfarer Basin, and Sanctum Aetheris suggests areas of relative stability within this otherwise harsh environment, reinforcing Ivory’s broader identity as a world where endurance and navigation are essential. Within this framework, the Aetherion Expanse, Harpyon Chasma, Caravan Reach, Wayfarer Basin, Sanctum Aetheris, Riftveil Patera, Palewind Threshold, and Talonreach Fossae provide a detailed regional structure for Ivory’s central terrain.
Southern Polar Regions
The Southern Polar Regions of Ivory are brighter than much of the equator, with frost and ice spread more broadly across the highest latitudes and along cold-trapping depressions. A pale southern cap extends over the polar margin, collecting in crater floors, low basins, and sheltered hollows. Even with this brighter cover, the underlying terrain remains clearly visible, including large worn craters, rough basin edges, and broken upland surfaces.
The south preserves the same ancient impact-scarred character seen elsewhere on the moon, but with a stronger contrast between dark exposed ground and lighter frost deposits. Large circular depressions remain common, and several broad basins continue across the lower southern latitudes before merging into the frost-brightened polar zone. The result is a cold and stable southern hemisphere shaped by cratering, regolith accumulation, and persistent polar frost rather than by active surface change.
