Irikusk (world)

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This is a world-system under construction and is currently being input-programmed into the Traveller RPG Wiki.

Irikusk/Irikusk (Far Home 0730)
Classic Era (1115)
C440655-6
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size4 Small (6,400 km, 0.32g - 0.46g)
Atmosphere4 Thin (tainted)
Hydrographics0 Desert World 0%
Population6 Moderate (7 million)
Government5 Feudal Technocracy
Law5 Moderate Law (no concealable weapons)
Tech Level6 Pre-Stellar (nuclear)
See also UWP
System Details
Primary M7 III
Planetoid Belts 1
Gas Giants 3
jumpmap?sector=Far+Home&hex=0730&options=8451&jump=3&scale=32&junk=junk.png
Jump map from Travellermap.com [1]

Irikusk is a poor, nonindustrial desert hellworld with a population struggling to survive in an inhospitable environment.

  • Hellworlds often offer daily, and sometimes hourly, life-threatening situations to their inhabitants. Survivors often form intense survival skills and tend to be grim realists.
  • This world has no free-standing water.
  • It requires extensive imports of outside technology to maintain a modern, star-faring society. Having to import most manufactured and high tech goods drives the price up for these items at this world.
  • It is a Non-Aligned world dominated by human sophonts located in the Irikusk Subsector of Far Home Sector.


Astrography and Planetology[edit]

This star system is detailed using the Fringian Variant System Description.

Monostellar System[edit]

Irikusk Monostellar System
Star Name Hierarchy Color Classification Remarks
Irikusk Primary Red M7 III


System Data[edit]

Kamatha-Irikusk System[edit]

The primary is Kamatha, a red giant star. It has a luminosity of 2485 Sols, a mass of 8.3 Sols, and a diameter of 409.072 million km – the corona of the star extends to 1.37 AU, just within orbital position (V). The inner system consists of (VI) a vacuum worldlet, (VII) a trace atmosphere inner world, (VIII) an exotic atmosphere radworld, and (IX) an exotic atmosphere stormworld – orbital position (V) is empty. (X-I) Yorren, a small gas giant: (X-Ia) Irikusk is its inner satellite, and (X-II) a sparse stony planetoid belt have a shared orbit within the habitable zone. (X-II) a ringed large gas giant, (XI) a small ice giant, and (XII) a vacuum iceworld form the outer system. Many of the worlds retain satellites.

(X-I) Yorren[edit]

(X-I) Yorren is a small gas giant that orbits Kamatha at a mean distance of 35.7 AU (5.3 billion km), within the habitable zone, and has an orbital period of 74 years 14 days. It has a diameter of 39,000 km and an atmosphere consisting of 92% hydrogen (H2), 8% helium (He), and less than 1% methane (CH4), carbon monoxide (CO), ammonia (NH3), water vapor (H2O) and other trace gases. It is a pale blue colour with bands of high altitude white cloud. It retains a family of two major satellites.

Satellites[edit]

Yorren retains two major satellites:

(X-Ia) Irikusk, designated the mainworld, orbiting at 7 Diameters/275,000 km)
(X-Ib) Malakusk (UWP Y3A0000-0, orbiting at 13 Diameters/510,000 km)

Mainworld Data[edit]

(X-Ia) Irikusk[edit]

(X-Ia) Irikusk is the inner of the two major moons of (X-I) Yorren and is designated the mainworld. It orbits its parent world at a mean distance of 7 diameters (275,000 km), with an orbital period of 20 days 11 hours: it is tidally locked to Yorren. The axial tilt is 3 degrees relative to Yorren. Irikusk has a diameter of 6,528 km, a density of 3.76 g/cm³ and a surface gravity of 0.35 G. Tidal stresses generated by the gravitational pull of Yorren cause regular geological activity. The atmosphere is rated as Thin, Tainted, with a mean surface pressure of 0.57 bar and a composition of 84% nitrogen (N2), 15% abiotic oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), neon (Ne) and other trace gases. The taint is caused by the low percentage of atmospheric oxygen and the relatively high levels of background radiation: emission rates exceed 6 rads per hour. Irikusk is a desert world: around 0.6% of the surface is covered in lakes of liquid water. Mean surface temperature: 38°C. The climate is rated as Hot and is static, with no seasonal changes during the local year. The atmosphere is slow and minor weather systems driven by the star drift across the globe.

Mainworld Geography and Topography[edit]

Total surface area: 134 million km², Land surface area: 133.2 million km², Water surface area: 800,000 km².

  • The oxygen in the atmosphere is abiotic in origin, produced by the photocatalytic reaction between the extremely high levels of UV energy radiating from the star and titanium dioxide (TiO2), which is found in surface minerals such as ilmenite.

Native Lifeforms[edit]

Kamatha-Irikusk System[edit]

No world in the system is known to have native life.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Irikusk has a routine quality starport.

  • A Class C Starport Facility has minimal if any shipyards and can only perform extremely limited repair work.
  • This facility has many very skilled personnel who can perform surprisingly sophisticated repair work despite the limited facilities.
  • This facility has refueling infrastructure and limited refining capabilities. One may purchase unrefined fuel here.
  • Starports of this class rarely have both a Lowport and a Highport.

World technology level[edit]

Irikusk possesses a Technology Level of TL–6.

World government[edit]

Irikusk has a Feudal Technocracy government.

  • It is a government by specific individuals for those who agree to be ruled. Relationships are based on the performance of technical activities which are mutually-beneficial.
  • The typical power source of this government is an Oligarchy.
  • The typical power structure of this government is a Hegemony.

World military[edit]

No information yet available.

World economy[edit]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

No information yet available.

World culture[edit]

No information yet available.

Historical data[edit]

No information yet available.

World timeline[edit]

No information yet available.

UWP listing[edit]

No information yet available.

References & Contributors / Sources[edit]

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This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises or by permission of the author.

  1. "Jump Map API" and map location from Travellermap.com