Century Solar-system

System Specs:

  • Stellar Mass:  0.796 Sol Masses
  • Stellar Class:  K0
  • Luminosity:  0.4 Sol
  • Planets:  4
  • Moons:  1
  • Asteroid Belts:  1
  • Asteroids:  1
  • Objects:  0

Century is a star system composed of desolate worlds with an abundance of resources. Proper exploitation has been limited, however, due to hazardous travel.

 

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Planets Directory:

  1. Tamahera
  2. Klendagon
  3. (Presrop)
  4. asteroid belt
  5. Canctra
  6. Tharopto

 

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Tamahera:

  • Orbital Distance:  1.16 AU
  • Orbital Period:  1.4 Earth-years
  • Keplerian Ratio:  0.796
  • Radius:  6,302 km
  • Day Length:  40.1 Earth-hours
  • Atmospheric Pressure:  0.34 atm
  • Surface Temp:  −30 °C
  • Surface Gravity:  0.66 g
  • Mass:  0.64 Earth-masses

Tamahera has a thin atmosphere of carbon dioxide and xenon. The surface is icy, and composed of sodium oxide with deposits of calcium. It contains a few unremarkable metals, but mainly consists of rock. The presence of canyons and flood plains indicates that liquid water once existed, suggesting Tamahera had a thicker insulating atmosphere in the past.

 

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Klendagon:

  • Orbital Distance:  1.615 AU
  • Orbital Period:  2.3 Earth-years
  • Keplerian Ratio:  0.796
  • Radius:  7,377 km
  • Day Length:  53.6 Earth-hours
  • Atmospheric Pressure:  0.64 atm
  • Surface Temp:  −53 °C
  • Surface Gravity:  0.88 g
  • Mass:  1.169 Earth-masses
  • Satellites:  Presrop

Klendagon is an arid terrestrial, slightly larger than Earth, but with a lower density that reflects its relative lack of heavier elements. The crust is composed of tin and aluminum, with wide deserts of dust-fine sand that are easily stirred by the wind.

Klendagon’s most striking feature is, of course, the Great Rift valley that stretches across the southern hemisphere. What is most fascinating about the Rift is that it does not appear to be natural. The geological record suggests it is the result of a “glancing blow” by a mass accelerator round of unimaginable destructive power. This occurred some thirty-seven million years ago.

 

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Presrop:

  • Orbital Distance:  168,500 km (from Klendagon)
  • Orbital Period:  10.8 Earth-days
  • Keplerian Ratio:  _ 17.863
  • Radius:  4,113 km
  • Day Length:  10.8 Earth-hours
  • Atmospheric Pressure:  0.1 atm
  • Surface Temp:  −73 °C
  • Surface Gravity:  0.88 g
  • Mass:  0.363 Earth-masses

Presrop is the moon of Klendagon. It is a frigid, barren world, with an extremely thin atmosphere of carbon dioxide and ethane. The crust contains plentiful deposits of heavy metals. The Alliance has opened bidding for the moon’s mineral rights, but exploitation will be complicated by the system’s proximity to the “Five Kiloparsec Ring” around the galactic core. The Ring is an area of intense star formation, and too dangerous to safely travel.

Presrop’s landscape is a nightmare of jagged, overlapping ridges and geological shock zones created by some ancient disaster. This has not deterred a generation of illegal “wildcat miners” from attempting to exploit the moon’s mineral riches. Unfortunately, many have lost their lives.

 

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Canctra:

  • Orbital Distance:  14.3 AU
  • Orbital Period:  60.6 Earth-years
  • Keplerian Ratio:  0.796
  • Radius:  5,471 km
  • Day Length:  66.7 Earth-hours
  • Atmospheric Pressure:  0.83 atm
  • Surface Temp:  −175 °C
  • Surface Gravity:  0.7 g
  • Mass:  0.511 Earth-masses

A terrestrial world of average size, Canctra’s atmosphere is composed of nitrogen and argon. Its frozen surface is mainly composed of tin with deposits of calcium. Aside from some spectacular formations of water-ice at the poles, the planet has little to recommend it.

 

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Tharopto:

  • Orbital Distance:  29.4 AU
  • Orbital Period:  128.2 Earth-years
  • Keplerian Ratio:  1.546
  • Radius:  68,714 km
  • Day Length:  17.5 Earth-hours
  • Atmospheric Pressure:  N/A atm
  • Surface Temp:  N/A °C
  • Surface Gravity:  N/A g
  • Mass:  N/A Earth-masses
  • Satellites:  >100

Tharopto is a typical hydrogen-helium gas giant with traces of chlorine and sulphur in its atmosphere. It has over 100 moons and an extensive ring system composed of pulverized rock, presumably the debris from shattered moons.

Survey Text
“While scanning the planet Tharopto, you discovered a tiny moon with some odd readings. Further scans by Chief Engineer Adams revealed a destroyed escape pod. Your salvage team recovered the components and found a League of One medallion.”

 

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