51 Pegasi
System: 51 Pegasi
Primary Star:
51 Pegasi, HD 217014
Stellar Type:
G5V ☼
Companion
Star(s): None
Distance from Earth: 50.1 ly
Constellation: Pegasus
Region:
Inner/Sol
Population:
850 Million
Summary:
The most famous
thing about the 51 Pegasi system is the planet Bellerophon, it was the first
exoplanet ever discovered. Bellerophon is a standard hot Jupiter orbiting
close to the parent star. The primary planet is Arionus orbiting just outside
the inner asteroid belt that formed after Bellerophon migrated inward. Arionus
is an earthlike world with a large population.
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Bellerophon
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The planet
Bellerophon gets in fame for being the first exoplanet ever discovered. At
the time the planet seemed strange, a Jupiter sized planet sitting close to
the star. These worlds called hot Jupiters were later found to be quite
common, migrating inward early in the system’s history.
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Inner
Asteroid Belt
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The system’s
inner asteroid belt formed after planet Bellerophon migrated inward. The
belt is rich in metals.
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Arionus
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The primary
world of the 51 Pegasi system, Arionus is an earthlike world that formed
after the inward migration of Bellerophon. The planet contains a continent a
bit larger than Asia sitting across the equator.
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Celeris
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Celeris is a
small world with a thin atmosphere. The soil is made up heavily of iron and
iron oxide giving the planet a red appearance similar to Mars. Sitting in
the habitable zone the planet could someday be terraformed.
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Melanippe
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Melanippe is a
world similar to Celeris except it is colder with more ice. There is an
atmosphere made up of Nitrogen and Methane. Methane clouds can be seen
forming during the cold winter months.
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Outer
Asteroid Belt
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The second
outer asteroid belt was created by the gas giant Helicon, and is similar to
the main asteroid belt in the Sol system.
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Helicon
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Helicon is a hydrogen helium gas giant. Large
amounts of Methane in the atmosphere give the planet a darker appearance.
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Closest
Inhabited Systems (50 ly):
Name
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Distance (ly)
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Type
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Xi Pegasi
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8.57
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F7V
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D’Juice
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15.53
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K0V
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54 Piscium
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22.37
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K0V
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