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Systems are a star(s) with orbiting planets. These are the various star systems available from the Galaxy Map and organized by cluster. Each system contains at least one location you can travel to, usually a planet, but in some cases another ship or small moon.

Main article: Mass Effect System Guide

For an alphabetical list of systems see Category:Systems.

Mass EffectEdit

Argos Rho Edit

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Asteroid belt
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Armstrong Nebula Edit

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Artemis Tau Edit

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Attican Beta Edit

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Exodus Cluster Edit

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Gemini Sigma Edit

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Hades Gamma Edit

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Hawking Eta Edit

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Verr‡
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Horse Head Nebula Edit

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Kepler Verge Edit

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Local Cluster Edit

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Earth (Luna†)
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Asteroid belt
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Maroon Sea Edit

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Pangaea Expanse Edit

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Sentry Omega Edit

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Serpent Nebula Edit

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Styx Theta Edit

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Voyager Cluster Edit

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Mass Effect 2Edit

Caleston Rift Edit

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Asteroid belt
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Crescent Nebula Edit

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Eagle Nebula Edit

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Far Rim Edit

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Hades Nexus Edit

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Asteroid belt
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Hawking Eta Edit

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Verr‡
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Hourglass Nebula Edit

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Asteroid belt
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Ismar Frontier Edit

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Faia†
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Krogan DMZ Edit

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Asteroid belt
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Local Cluster Edit

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Earth (Luna†)
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Minos Wasteland Edit

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Nubian Expanse Edit

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Omega Nebula Edit

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Pylos Nebula Edit

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Rosetta Nebula Edit

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Serpent Nebula Edit

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Shadow Sea Edit

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Sigurd's Cradle Edit

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Mil‡
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Asteroid belt
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The Phoenix Massing Edit

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The Shrike Abyssal Edit

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Thal†
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Titan Nebula Edit

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Vallhallan Threshold Edit

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Viper Nebula Edit

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Mass Effect 3Edit

Aethon Cluster Edit

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Annos Basin Edit

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Apien Crest Edit

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Arcturus Stream Edit

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Argos Rho Edit

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Athena Nebula Edit

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Attican Beta Edit

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Caleston Rift Edit

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Crescent Nebula Edit

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Exodus Cluster Edit

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Far Rim Edit

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Gemini Sigma Edit

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Hades Gamma Edit

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Hades Nexus Edit

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Horse Head Nebula Edit

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Hourglass Nebula Edit

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Ismar Frontier Edit

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Faia†
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Kepler Verge Edit

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Kite's Nest Edit

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Krogan DMZ Edit

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Local Cluster Edit

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Earth (Luna†)
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Asteroid belt
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Minos Wasteland Edit

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Nimbus Cluster Edit

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Ninmah Cluster Edit

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Nubian Expanse Edit

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Perseus Veil Edit

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Petra Nebula Edit

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Pylos Nebula Edit

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Serpent Nebula Edit

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Shadow Sea Edit

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Sigurd's Cradle Edit

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Mil‡
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Silean Nebula Edit

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The Shrike Abyssal Edit

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Thal†
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Vallhallan Threshold Edit

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Properties Edit

If a system has a planet for which the semi-major axis (i.e., in game terms, orbital radius) and orbital period are given, the star's standard gravitational parameter (Newton's gravitational constant multiplied by solar mass) may be derived from Kepler's Third Law. That is, 

GM = \dfrac{4 \pi^2 a^3}{T^2}

Mass Effect gives planetary orbital radius, a, in terms of AU, and orbital period, T, in terms of Earth years. From these, we can compute the mass of the star: 


 M = \dfrac{4 \pi^2 a^3}{G T^2}
   = \dfrac {1.9899 \times 10^{30} \cdot a^3}{T^2} \; \mbox{kg}
   = \dfrac {a^3}{T^2} \; \mbox{Sol Masses}

(This according to Astronomy Today, 3rd Edition, pub. Prentice Hall Inc., 1998; pp 48-9.)

In order to obtain the highest possible precision for the stellar mass, the attributes of the system planet with the highest precision orbital radius and period should be used in the computation.

Retrieved from "http://masseffect.wikia.com/wiki/Systems?oldid=364496"
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