Selena (world)

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

Selena/Tsorva (Halcyon 1219)
Classic Era (1115)
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size4 Small (6,400 km, 0.32g - 0.46g)
Atmosphere7 Standard (tainted)
Hydrographics4 Wet World 40%
Population5 Moderate (500 thousand)
Government2 Participating Democracy
Law1 Low Law (no explosives, poison gas)
Tech Level6 Pre-Stellar (nuclear)
See also UWP
System Details
Primary K1 V M2 VI
Planetoid Belts 1
Gas Giants 3
Jump map from [1]

Selena is an agricultural, nonindustrial world still lacking adequate means to expand its economy.

  • As an agricultural world, this world is a near-ideal environment for producing quality foodstuffs of plant, animal, and other forms. Quality foodstuffs are a major export commodity for this world.
  • 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 Tsorva Subsector of Halcyon Sector.

Astrography and Planetology[edit]

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

Binary Solar System[edit]

Selena Binary Star System
Star Name Hierarchy Color Classification Remarks
Selena Primary Primary Orange K1 V
Selena Companion Secondary Red M2 VI orbits primary at 10.3 AU

System Data[edit]

Kurikin-Selena System[edit]

The primary is Kurikin, an ordinary orange main sequence star. It has a luminosity of 0.352 Sols, a mass of 0.774 Sols, and a diameter of 1.168 million km. The inner system consists of (I) a dense atmosphere stormworld and (II) an exotic atmosphere radworld. (III) Selena orbits within the habitable zone and is designated the mainworld. (IV) a small gas giant forms the inner part of the outer system. Orbital positions (V) through (IX) are unavailable due to the presence of the companion star. (X) a ringed small ice giant, (XI) a large gas giant and (XII) a dense icy planetoid belt form the outer part of the outer system. Many of the worlds retain satellites.

Feldo Subsystem[edit]

The companion is Feldo, a dim red subdwarf star that orbits Kurikin at a mean distance of 10.3 AU (orbital position (VII), 1.54 billion km). It has a luminosity of 0.0074 Sols, a mass of 0.134 Sols, and a diameter of 127,000 km. (I) a vacuum worldlet, (II) a very thin atmosphere bigworld, (III) a trace atmosphere iceworld, and (IV) a vacuum iceworld form the outer system. The bigworld retains two satellites.

Mainworld Data[edit]

(III) Selena[edit]

(III) Selena is designated the mainworld and orbits Kurikin at a mean distance of 0.77 AU (115 million km), within the habitable zone. It has an orbital period of 280 days 13 hours and a rotation period of 41 hours. The axial tilt is 22 degrees. Selena has a diameter of 6,428 km, a density of 5.58 g/cm³, and a surface gravity of 0.51 G. The world is geologically active. Its atmosphere is rated as Standard, Tainted, with a mean surface pressure of 0.94 bar and a composition of 79% nitrogen, 20% oxygen, and 1% argon, carbon dioxide, neon and other trace gases. The atmospheric taint is caused by airborne pollens that cause severe allergic responses. Approximately 41% of the surface is covered in seas of liquid water: average tidal ranges exceed 0.25m. Mean surface temperature: 18°C. The atmosphere is dynamic and powerful weather systems, driven by the star and the seas, sweep across the globe. The climate is seasonal.

Mainworld geography and topography[edit]

Total surface area: 123 million km², Land surface area: 73 million km², Water surface area: 50 million km².

Native lifeforms[edit]

Selena has abundant native life.

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Selena 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]

Selena possesses a Technology Level of TL–6.

World government[edit]

Selena has a Participatory Democracy government.

  • It is a government by advice and consent of the citizen.
  • The typical power source of this government is an Democracy.
  • The typical power structure of this government is a Unitary State.

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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  1. "Jump Map API" and map location from