Entremis (world)

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

Entremis/Cradle (Halcyon 1204)
Classic Era (1115)
StarportA Excellent: Starship Construction, Overhaul, Refined fuel
Size7 Medium (11,200 km, 0.70g - 0.94g)
Atmosphere6 Standard
Hydrographics6 Wet World 60%
Population8 Moderate (700 million)
Government7 Balkanization
Law8 High Law (controlled blades)
Tech LevelB Average Stellar (large starships)
See also UWP
System Details
Primary F2 III M2 V
Planetoid Belts 1
Gas Giants 3

Entremis is a pre-agricultural, rich garden world with a moderate population of over a hundred million, but not yet at a billion sophonts in population size.

  • Garden worlds are known for their near-ideal utopian environments conducive to most sophonts, plants, animals, and other forms of life.
  • It is a pre-agricultural world with an environment suitable for large scale agricultural and livestock industries that have not yet been widely developed.
  • This is a rich world with a prosperous and thriving world economy.
  • Its economy and population are growing and living conditions are expected to quickly rise barring outside forces.
  • This is a temperate world, with a climate of pleasant, average temperatures, considered to be an ideal or near-ideal environment by many different sophont species.
  • It is a member of the Dependent Worlds in the Cradle Subsector of Halcyon Sector, which is part of the Distant Fringe.
  • This world-system hosts a Military Base, usually associated with military ground forces, which may be located on or off-world.

Description (Astrography & Planetology)[edit]

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

Binary Solar System[edit]

Entremis Binary Star System
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)


Primary Giant 6.8 6600 - 7100 49
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.04559 0.58061 5.57 - 9.07 4.559 45.59
Orbit #  * 2 6 6 9
Star Name Hierarchy Category Mass (Sol) Temp (K) Luminosity (Sol)

M2 V

Secondary Main Sequence 0.4258 2400 - 3300 0.027
Unit Diameter Min Distance Hab Zone Jump Shadow M-Drive Limit
AU 0.0044 0.01358 0.13 - 0.21 0.44 4.4
Orbit #  *  * 0 1 6
760 AU from primary

System Data[edit]

Delmont-Entremis System[edit]

The primary is Delmont, a white giant star. It has a luminosity of 49 Sols, a mass of 6.8 Sols, and a diameter of 6.818 million km. The inner system consists of (I) a extremely hot large gas giant, (V) a sparse stony planetoid belt, and (VI) a trace atmosphere worldlet – orbital positions (II), (III) and (IV) are empty. (VII) Entremis orbits within the habitable zone and is designated the mainworld. (VIII) a vacuum worldlet, (IX) a small gas giant, (X) a small ice giant, and (XI) an exotic atmosphere bigworld form the outer system. Many of the worlds retain satellites.

Rialto Subsystem[edit]

The companion is Rialto, an ordinary red main sequence star that lies approximately 760 AU from Delmont. It has a luminosity of 0.0268 Sols, a mass of 0.4258 Sols, and a diameter of 658,000 km. (I) a thin atmosphere hospitable world orbits within the habitable zone. (II) a vacuum worldlet, (III) an exotic atmosphere bigworld, and (IV) a vacuum iceworld form the outer system. The two outer worlds retain satellites.

Mainworld Data[edit]

(VII) Entremis[edit]

(VII) Entremis is designated the mainworld and orbits Delmont at a mean distance of 5.1 AU (763 million km), within the habitable zone. It has an orbital period of 4 years 152 days and a rotation period of 19 hours 15 minutes. The axial tilt is 24 degrees. Entremis has a diameter of 11438 km, a density of 5.69 g/cm³, and a surface gravity of 0.92 G. The world is geologically active. Its atmosphere is rated as a Standard, with a mean surface pressure of 1.15 bar and a composition of 72% nitrogen (N2), 27% oxygen (O2), and 1% argon (Ar), carbon dioxide (CO2), neon (Ne) and other trace gases. Approximately 64% of the surface is covered in oceans of liquid water: average tidal ranges exceed 0.25m. Mean surface temperature: 15°C. The atmosphere is dynamic and powerful weather systems, driven by the star and the oceans, sweep across the globe. The climate is seasonal and the environment follows regular patterns during the local year. Each season lasts approximately 400 days.


Entremis retains a single natural satellite, a vacuum worldlet named Mobius:

(VIIa) Mobius (UWP F300664-A, orbiting at 20 Diameters/230,000 km)

Mainworld Size (S)[edit]

No information yet available.

Mainworld Atmosphere (A)[edit]


Mainworld Hydrosphere (H)[edit]

No information yet available.

Mainworld Geography & Topography[edit]

Total surface area: 411 million km², Water surface area: 263 million km², Land surface area: 148 million km².

Mainworld Map[edit]

No information yet available.

Native Lifeforms[edit]

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

The temperate hospitable world lying in orbital position (I) around the companion star (within the habitable zone) has extensive native life, consisting of microscopic organisms, stromatolite-parallels and primitive flora that can be found in almost every ecological niche. Their metabolic functions drive the process of atmospheric renewal.

History & Background (Dossier)[edit]

No information yet available.

World Starport (Sp)[edit]

Entremis has a Class A Starport, an excellent quality installation which includes all the expected amenities including refined fuel for starships, brokerage services for passengers and cargo, and a variety of ship provisions. There is a shipyard capable of doing annual maintenance, overhauls and other kinds of repair, and construction of both starships and non-starships. Most ports of this classification have both a Highport and a Downport.

  • Starport: war footing (fanaticism modifier x2.5).
  • Naval Support Capacity: 1,000,000 dTons


Port facilities within the system include:

World Population (P)[edit]

No information yet available.

World Demographics[edit]

Humaniti, population 95%

  • Other, population 5%

World Government (G)[edit]

Entremis has a Balkanized Government. There is no central world government. The world has several governments competing for control of the world. These may be allies, cooperating, competitors, or at war with each other.

World Law Level (L)[edit]

No information yet available.

World Technology Level (TL)[edit]

Entremis possesses a Technology Level of TL–11 or TL-B in Hexadecimal Notation.

World Military[edit]

Local Defense Forces (approximately 2.9 million personnel). The Entremis class Military Transport is built locally to support military operations.

  • Unity of Sed militia forces (approximately 21 million personnel).

World Economy[edit]

  • Resources: A (Abundant)
  • Labor 6: (Millions)
  • Infrastructure: B (Very extensive)
  • Efficiency: −2 (Fair)

Trade Data[edit]

World Demographics[edit]

Population: 410,000,000

World Culture[edit]

  • Homogeneity: 8 (Discordant)
  • Acceptance: B (Extremely friendly)
  • Strangeness: 7 (Confusing)
  • Symbols: 9 (Somewhat abstract)

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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