Sestin (world)

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

Sestin/Jerik (Halcyon 0824)
Classic Era (1115)
C100342-9
StarportC Routine: No Construction, Major Repair, Unrefined fuel
Size1 Small (1,600 km, 0.05g - 0.09g)
Atmosphere0 Vacuum
Hydrographics0 Desert World 0%
Population3 Low (7 thousand)
Government4 Representative Democracy
Law2 Low Law (no energy weapons)
Tech Level9 Early Stellar (fusion)
See also UWP
System Details
Primary M7 VI
Planetoid Belts 0
Gas Giants 1
jumpmap?sector=Halcyon&hex=0824&options=8451&jump=3&scale=32&junk=junk.png
Jump map from Travellermap.com [1]

Sestin is a low-population vacuum world, with a population of less than 10,000 sophonts in population size, warranting hazardous environment precautions.

  • Life in a vacuum requires great discipline. After all, it only takes one forgotten seal on a vacuum suit to spell death. Those who survive tend to be very methodically-minded and attentive to small detail.
  • It is a Non-Aligned world dominated by human sophonts located in the Jerik Subsector of Halcyon Sector.


Astrography and Planetology[edit]

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

Monostellar System[edit]

Sestin Monostellar System
Star Name Hierarchy Color Classification Remarks
Sestin Primary Red M7 VI


System Data[edit]

Cardoz-Sestin System[edit]

The primary is Cardoz, a dim red subdwarf star. It has a luminosity of 0.004 Sols, a mass of 0.273 Sols, and a diameter of 414,000 km. (I-I) an exotic atmosphere radworld, (I-II) an exotic atmosphere bigworld, (II) an exotic atmosphere radworld, (III-I) a ringed small gas giant: (IIIa) Sestin is its only satellite and is designated the mainworld, and (III-II) a trace atmosphere iceworld form the outer system. Many of the worlds retain satellites.

  • The star experiences periodic flare activity.

(III-I) Rayor[edit]

(III-I) Rayor is a ringed small gas giant that orbits Cardoz at a mean distance of 0.66 AU (98.7 million km), within the outer system, and has an orbital period of 1 year 10 days. It has a diameter of 23,000 km and an atmosphere consisting of 89% hydrogen (H2), 11% 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 color streaked with high altitude white clouds. It retains a single major satellite.

Satellite[edit]

Rayor retains a thin dark ring system and one major satellite:

(III-Ir) Ring System (UWP YR00000-0, extending to 1 Diameter/25,000 km)
(III-Ia) Sestin (designated the mainworld, orbiting at 7 Diameters/161,000 km)

Mainworld Data[edit]

(III-Ia) Sestin[edit]

(III-Ia) Sestin is the only major moons of (III-I) Rayor and is designated the mainworld. It orbits its parent world at a mean distance of 7 diameters (161,000 km), with an orbital period of 11 days 22 hours: it is tidally locked to Rayor. The axial tilt is 6 degrees relative to Rayor. Sestin has a diameter of 885 km, a density of 3.97 g/cm³ and a surface gravity of 0.05 G. Tidal stresses generated by the gravitational pull of Rayor cause occasional geological activity. The atmosphere is rated as Vacuum. The world has no hydrosphere. Mean surface temperature: -156°C. Sestin experiences high levels of background radiation: emission rates exceed 35 rads per hour.

Mainworld Geography and Topography[edit]

Total surface area: 2.46 million km².

Native Lifeforms[edit]

Cardoz-Sestin System[edit]

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

History & Background (Dossier)[edit]

No information yet available.

World starport[edit]

Sestin 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]

Sestin possesses a Technology Level of TL–9.

  • Common Communication technologies for this TL include: Fiber optics and satellite communication and data networks.
  • Common Power Generation technologies for this TL include: Early fusion power.
  • Common Transportation technologies for this TL include:
    • Land: Ultra high-speed trains and early grav vehicles.
    • Water: High efficiency sailcraft, multihulled seacraft, improved artificial gears.
    • Air: Tiltrotorcraft, exotic VTOL's, PARWIG, and rocket-assisted suborbitals.
    • Space: SSTO spacecraft, early military spacecraft, and interstellar STL starships
    • FTL: Prototype Jump Drive-1.

World government[edit]

Sestin has a Representative Democracy government.

  • It is a government by elected representatives.
  • The typical power source of this government is a Republic.
  • 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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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