Lumenna-Súnáris System (3): Toramir

I/2. Toramir

Class: Eurymic
Orbit (period): 0.32 au (66.12 T-days)
Orbit (ecc.): 0.00
Radius: 826.9 miles
Mass: 5.996 x 1022 kg
Density: 6.07 g/cm3
Surface gravity: 0.4 g

Axial tilt: 12.1°
Rotation period: 43.3 T-days

Black-body temperature: 467 K
Surface temperature (avg.): 453 K

Atmosphere: None.
Hydrographic coverage: 0%

Satellites: None.

The second planet of Lumenna, Toramir, is actually a much better Mercury-as-it-actually-is analog than Eurymir is.

Namely, Toramir is a sun-seared rockball with a long, long day. It’s sun-searedness makes it another great place for energy production, but also its high density (the highest of any planet in the Lumenna-Súnáris System) makes it a rich world, specifically rich in heavy metals and power metals. (It is, in fact, probably the richest of all Lumenna’s worlds in readily accessible metals, radioactives, and other heavy elements, along with not-insignificant regolith deposits of lighter elements and solar-wind collectibles.)

In short, prospectors just leapt at it. (Toramir’s own gravity well is relatively shallow, and despite its depth within Lumenna’s well, the total Δv required to get elsewhere in the system remains below launch costs from most other planets. It is unfortunately impracticable to construct an orbital elevator on Toramir, due to its slow rotation.) Shortly thereafter, so did shipbuilders and other heavy macroindustries, and Toramir’s orbitals in the modern era are crammed full of cageworks, macroforges, and autofacs.

The major groundside settlement is Sírtirias Lemisef, or translating approximately, Crawlerberg. That’s because it moves to stay out of the sunlight: the city itself and its smelters are a giant turtle built atop the biggest damned dual set of treads in the System that drives very slowly but continuously around the equatorial loop to stay on the shady side of the planet.

And the -berg? That would be the gunspire of the huge mass driver on its back that fires building-sized slugs of refined metal into orbit for the local industry to pick up.

The future colonists of this particular rockball were not in the habit of thinking small.

 

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