Kh’Thal-Vor

Kh’Thal-Vor, also known as Vorhess IV, is the fourth planet of the Vorhess System, located in the Outer Arm of the Milky Way Galaxy. It is an ultra-massive, high-density terrestrial world measuring 41,640 kilometers in diameter, with a surface gravity of 147.15 m/s² (15.0 g). The planet orbits a red giant star at 2.73 AU, receiving immense stellar flux amplified by infrared radiation and minimal axial tilt. Its internal composition consists of a hypercompressed iron-nickel core, surrounded by exotic metallic silicates compressed to near-degenerate density. The crust is thin, unstable, and permanently disrupted by mantle overpressure, leading to planet-wide fissures and magma exposure. Volcanic activity is continuous across all latitudes, driven by extreme geothermal cycling and orbital resonance with its two moons. Atmospheric pressure exceeds 5.0 atm, composed of carbon monoxide, sulfur trioxide, nitrogen oxides, chlorine, and arsenic-laden aerosols, forming a dense, acidic, metal-rich sky. Surface temperatures range from 487°C in deep fissure valleys to 1,200°C in active lava corridors. There is no natural hydrosphere; all water is chemically dissociated or vaporized. Persistent ash storms, lightning discharges, and gravitational quake swarms are constant across the surface.   Kh’Thal-Vor’s surface is completely industrialized, with no separation between natural landscape and infrastructure. Mantle fractures are exploited by seismic-tuned conduits that channel molten flow into power grids and doctrinal forges. The northern hemisphere is dominated by the Cruciform Wastes, a thermoglassified slab of collapsed settlements and thermal crucibles. The equator hosts the Black Meridian Rail, a continental plasma pipeline that transports energy into orbital conductor pylons. At the southern pole, the Ironspike Citadel rises from a geothermal convergence zone, armored by layered ferrocrete and enclosed within thermal shielding towers. Volcanism is engineered, not merely endured: seismic tuning spires regulate crustal pressure, enabling controlled surface eruptions to power atmospheric furnaces and orbital defense platforms. Gravth and Ichorul, Kh’Thal-Vor’s twin moons, orbit in tidal resonance, triggering harmonic seismic pulses every 112.4 hours. All environmental systems—thermal, tectonic, atmospheric—are either regulated or weaponized. Kh’Thal-Vor is officially classified as an Extreme Class-IV Hypervolcanic Furnace World under Varkuun High Doctrine.

Kh’Thal-Vor

Astrographical Information

Galaxy

Milky Way

Galactic Arm

Outer Arm

System

Vorhess System

Orbiting

Vorhess (Red Giant Star)

Orbital position

Fourth Planet

Orbital Distance

2.73 AU (408,500,000 km)

Orbital characteristics

Aphelion 2.91 AU (435,400,000 km)

Perihelion 2.55 AU (381,600,000 km)

Semi-major axis 2.73 AU (408,500,000 km)

Eccentricity 0.062

Orbital period (sidereal) 985 days

Average orbital speed 24.1 km/s

Mean anomaly 134.6°

Inclination

  • 1.8° – Vorhess's equator

  • 2.6° – invariable plane

  • 3.4° – J2000 ecliptic

Longitude of ascending node 93.2°

Time of perihelion 492.3 days

Argument of perihelion 274.9°

Moon(s) 2

Physical Information

Diameter 41,640 km (25,879.1 mi)

Mean radius 20,820 km (12,939.5 mi)

Equatorial radius 20,830 km (12,945.6 mi)

Polar radius 20,810 km (12,933.3 mi)

Flattening 0.0010

Circumference

  • 130,968 km; equatorial

  • 130,874 km; meridional

Surface area 5,447,000,000 km²

Land: 5,447,000,000 km²

Water: 0 km² (0.0% of Kh’Thal-Vor’s surface area)

Volume 3.78 × 10¹³ km³

Mass 5.54 × 10²⁷ kg

Mean density 46.8 g/cm³

Surface Gravity 147.15 m/s²

Moment of inertia factor 0.282

Escape velocity 150.3 km/s

Synodic rotation period 31.4 hours

Sidereal rotation period 31.1 hours

Equatorial rotation velocity 1,173.2 m/s

Axial tilt 6.7°

Albedo

  • 0.14 geometric

  • 0.18 Bond

Temperature 892 K

Surface Temperature

  • 487°C (908.6°F) Min

  • 701°C (1293.8°F) Mean

  • 1,200°C (2192°F) Max

Surface absorbed dose rate 912 μGy/h

Surface equivalent dose rate 2,870 μSv/h

Apparent magnitude –5.1 to –5.4

Absolute magnitude (H) –3.6

Atmosphere

Surface pressure

506.72 kPa; 5.0 atm

Composition by volume

  • 42% Carbon Monoxide

  • 18% Sulfur Trioxide

  • 15% Nitrogen Oxides

  • 11% Chlorine

  • 7% Arsenic Vapors

  • ≤7% Metal Aerosols (variable)

  • <0.01% Water Vapor

  • <0.01% Argon

  • <0.01% Fluorine


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