II'tha (world)

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

II'tha/Sath (Far Home 3133)
Classic Era (1115)
Starport? Error in Starport Decode
SizeA Large (16,000 km, 1.14g - 1.48g)
Atmosphere9 Dense (tainted)
HydrographicsA Water World 100%
Population? Error in Population Decode
Government? Error in Government Decode
Law? Error in Law Decode
Tech Level? Error in Tech Decode
See also UWP
System Details
Primary K7 V M4 VI
Planetoid Belts 3
Gas Giants 1

II'tha does not meet the criteria for any standard classification.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

II'tha Binary Star System
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)

K7 V

Primary Main Sequence 0.5376 3100 - 3900 0.064
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.0052 0.02098 0.2 - 0.33 0.52 5.2
Orbit #  *  * 0 1 6
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)


Secondary Main Sequence 0.114 2100 - 3000 0.004
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.00125 0.00511 0.05 - 0.08 0.125 1.25
Orbit #  *  *  * 0 3
orbits primary at 0.006 AU

System Data[edit]

II'tha System[edit]

The primary is Ha'kth, an ordinary orange main sequence star. It has a luminosity of 0.064 Sols, a mass of 0.5376 Sols, and a diameter of 778,000 km. The companion is a red subdwarf star lying at a mean separation of 0.006 AU (900,000 km) from Ha'kth. It has a luminosity of 0.0038 Sols, a mass of 0.114 Sols, and a diameter of 167,000 km. The two stars have an orbital period around one another of 5 hours 32 minutes. (I) Il'tha orbits within the habitable zone and is designated the mainworld. (II) a thin atmosphere hospitable world, (III) a trace atmosphere iceworld, (IV-I) a sparse stony planetoid belt, (IV-II) a ringed very large gas giant, (V) a sparse icy planetoid belt, (VI) an exotic atmosphere bigworld, (VII-I) a dense icy planetoid belt, and (VII-II) a trace atmosphere worldlet form the outer system. Many of the worlds retain satellites.

(I) II'tha[edit]

(I) II'tha is designated the mainworld. It orbits Ha'kth at a mean distance of 0.16 AU (23.9 million km), within the habitable zone. It has an orbital period of 31 days 21 hours: it is tidally locked to Ha'kth. The axial tilt is 6 degrees. II'tha has a diameter of 16,427 km, a density of 6.88 g/cm³, and a surface gravity of 1.60 G. The world is geologically active. Its atmosphere is rated as Dense, Tainted, with a mean surface pressure of 2.48 bar and a composition of 66% nitrogen (N2), 33% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), neon (Ne) and other trace gases. The taint is caused by a combination of the high atmospheric pressure and the high percentage of atmospheric oxygen. Approximately 98% of the surface is covered in seas of liquid water: average tidal ranges exceed 1m. Mean surface temperature: -5°C. The climate is rated as Cold and is static, with no seasonal changes during the local year. The atmosphere is very active and violent weather systems driven by the star oceans scour the globe.

Mainworld Geography and Topography[edit]

Total surface area: 847 million km², Water surface area: 830 million km², Land surface area: 17 million km².

Native Lifeforms[edit]

II'tha, the mainworld, has extensive, abundant native life, with complex organisms inhabiting every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

The cold marginally hospitable world lying in orbital position (II) has primitive native life, consisting almost entirely of microscopic cyanobacteria-parallels that exist in most ecological niches. Their metabolic functions maintain the process of atmospheric renewal.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

No information yet available.

World technology level[edit]

No information yet available.

World government[edit]

No information yet available.

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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