Tzura (world)

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

Tzura/Tzura (Fallow 1940)
Classic Era (1115)
Starport? Error in Starport Decode
Size3 Small (4,800 km, 0.24g - 0.34g)
Atmosphere3 Vacuum (very thin)
Hydrographics0 Desert World 0%
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 K4 II
Planetoid Belts 1
Gas Giants 3
Jump map from [1]


Astrography and Planetology[edit]

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

Monostellar System[edit]

Tzura Monostellar System
Star Name Hierarchy Color Classification Remarks
Tzura Primary Orange K4 II

System Data[edit]

Principale-Tzura System[edit]

The primary is Principale, an enormous orange giant star. It has a luminosity of 2138 Sols, a mass of 13.4 Sols and a diameter of 153 million km – the star's corona extends out to 0.51 AU, beyond orbital position (II). The inner system consists of (III-I) a very hot small gas giant and (III-II) a very hot small gas giant that orbit a common barycenter as they go around the star, (V) a vacuum inner world, (VI) a trace atmosphere inner world, (VII) an exotic atmosphere radworld, (VIII) a corrosive atmosphere inferno world, and (IX) an exotic atmosphere radworld – orbital positon (IV) is empty. (X) Gabbrin, a ringed large gas giant orbits within the habitable zone: (Xd) Tzura is its outer of its four major moons and is designated the mainworld. Few of the worlds retain satellites.

(X) Gabbrin[edit]

(X) Gabbrin is a ringed large gas giant that orbits Principale at a mean distance of 37.5 AU (5.61 billion km), within the habitable zone, and has an orbital period of 62 years 268 days. It has a diameter of 114,600 km and is a banded tan color. It retains a family of four major satellites of which the outer, (Xd) Tzura, is designated the mainworld. A broad highly reflective ring system surrounds the world.

Mainworld Data[edit]

(Xd) Tzura[edit]

(Xd) Tzura is the outer of the four major moons of (X) Gabbrin and is designated the mainworld. It orbits its parent world at a mean distance of 25 diameters (2.86 million km), with an orbital period of 397 days: it is tidally locked to Gabbrin. The axial tilt is 3 degrees relative to Gabbrin. Tzura has a diameter of 5,122 km, a density of 7.14 g/cm³ and a surface gravity of 0.52 G. Tidal stresses generated by the gravitational pull of Gabbrin cause frequent geological activity. The atmosphere is rated as Very Thin, with a mean surface pressure of 0.41 bar and a composition of 80% nitrogen (N2), 19% oxygen (O2), and 1% argon (Ar), water vapor (H2O), carbon dioxide (CO2), neon (Ne) and other trace gases. Around 2% of the surface is covered in lakes of liquid water: average tidal ranges are negligible. Mean surface temperature: 43°C. The atmosphere is active moderate and strong weather systems driven by the star work across the globe. The climate is static.

Mainworld geography and topography[edit]

Total surface area: 439 million km², Land surface area: 360 million km², Water surface area: 79 million km².

Native Lifeforms[edit]

Tzura, the mainworld, has primitive native life, consisting entirely of microscopic cyanobacteria-parallels that exist in any location where they can find even a minimal trace of moisture. Their metabolic functions maintain the process of atmospheric renewal.

History & Background (Dossier)[edit]

The Tzura system has been studied by the Local Astrographical Survey Project, a part of the Astronomy Department of the University of Selasia.

World starport[edit]

Tzura has no listed Starport data.

World technology level[edit]

Tzura has no listed Technology Level data.

World government[edit]

Tzura has no listed Government data.

World military[edit]

No information yet available.

World economy[edit]

No information yet available.

Trade data[edit]

No information yet available.

World demographics[edit]

Tzura has no listed Population data.

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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  1. "Jump Map API" and map location from