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18 Scorpii

 

18 Scorpii is a planetary system orbiting a yellow G-class star.  The system lies in the Scorpius Constellation of the Inner/Sol Region.

 
18 Scorpii was the location of the one of the original Terran Colonies beyond Earth.  18 Scorpii's primary planet named Serket, is a warm, humid, tropical world.  The original colonists who travelled to 18 Scorpii found establishing a permanent settlement difficult.  Serket was plagued by high gravity, relentless heat, and never-ending swarms of insects.

 

Despite all the difficult environmental conditions, the Terran based colonists were determined to create a society in 18 Scorpii.  They conquered parts of the planet building cities and civilization, though large parts of the Serket's surface remain wild.

System: 18 Scorpii

Primary Star: HD 146233

Stellar Type: G1V ☼

Mass (Sol): 1.03

Luminosity: 1.08x Sun

Distance: 45.75 ly

Constellation: Scorpius

Region: Inner/Sol

Population: 170 Million

 

       
18 Scorpii Planets
       

18 Scorpii B
18 Scorpii B is a terrestrial world whose surface is hidden under a thick, cloudy, carbon dioxide atmosphere.  The planets surface is composed of silicate rock with iron deposits.

Distance: 0.39 AU

Orbit: 88 days

Temp: 376 K

Mass: 0.72 Earth

Radius: 5,772 km

Gravity: 0.88 g

Rotation: 62 hours

Moon(s): 1

       
       

18 Scorpii C (Serket)
18 Scorpii C, also known as Serket, is a habitable terrestrial world.  The planet's surface is only contains 10% water, with the rest covered in dense jungles and savannas.   Serket is a wild world, home to some of the deepest, densest forests and jungles in the Inner Sphere.

Distance: 0.98 AU

Orbit: 351 days

Temp: 295 K

Mass: 1.75 Earth

Radius: 8,238 km

Gravity: 1.05 g

Rotation: 38 hours

Moon(s): 4

       
       

18 Scorpii D
18 Scorpii D is a standard sized gas giant that contains two thirds of Jupiter's mass.  The planet is composed of hydrogen and helium with traces of methane.

Distance: 3.67 AU

Orbit: 6.9 years

Temp: 123 K

Mass: 0.75 Jupiter

Radius: 62,245 km

Gravity: 2.5 g

Rotation: 15 hours

Moon(s): 7

       
       


Closest Inhabited Systems:

 

Name

Distance (ly)

Type

Arcturus

29.71

K2III

DT Virginis

37.60

M2V

Vega

38.57

A0V

Delta Pavonis

43.17

G8IV

Alpha Centauri

43.42

K0V

70 Virginis

43.56

G5V

59 Virginis

43.93

G0V

Gliese 832

44.89

M3V

Epsilon Indi

45.49

K5V

Zavijava

45.55

F8V

Sol

45.75

G2V

Alsafi

47.89

K0V

AD Leonis

48.94

M3V





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