Systems are sets of gravitationally bound non-stellar objects in orbit around one or multiple stars.
Original Mass Effect Trilogy This portion of the article lists the various star systems in Mass Effect , Mass Effect 2 , and Mass Effect 3 accessible via the Galaxy Map organized by cluster . Each system contains at least one object that the player can travel to, such as a planet , moon , space station , starship , or mass relay .
Main article: Mass Effect System Guide For an alphabetical list of systems see Category:Systems .
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Kepler Verge
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Local Cluster
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Maroon Sea
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Pangaea Expanse Sentry Omega Serpent Nebula
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Styx Theta
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Voyager Cluster
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Mass Effect 2 Caleston Rift
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Crescent Nebula
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Eagle Nebula
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Far Rim Hades Nexus
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Hawking Eta
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Hourglass Nebula
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Ismar Frontier
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Krogan DMZ
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Local Cluster
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Minos Wasteland Nubian Expanse Omega Nebula
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Pylos Nebula
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Rosetta Nebula Serpent Nebula
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Shadow Sea Sigurd's Cradle
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The Phoenix Massing The Shrike Abyssal
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Titan Nebula Vallhallan Threshold
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Viper Nebula Mass Effect 3 Aethon Cluster
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Annos Basin
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Apien Crest Arcturus Stream
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Athena Nebula
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Attican Beta Caleston Rift
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Exodus Cluster Far Rim Gemini Sigma
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Hades Gamma
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Hades Nexus
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Kepler Verge
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Kite's Nest
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Krogan DMZ
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Local Cluster
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Minos Wasteland Nimbus Cluster Ninmah Cluster
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Petra Nebula
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Pylos Nebula
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Serpent Nebula
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Shadow Sea Sigurd's Cradle
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The Shrike Abyssal
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Vallhallan Threshold
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Mass Effect: Andromeda This portion of the article lists the various star systems in the Heleus Cluster in Mass Effect: Andromeda .
The Heleus Cluster is a seemingly resource-rich region of space in the outskirts of the Andromeda galaxy. It consists of 38 star systems and hundreds of planets .
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Other Systems These systems are known to exist in the Milky Way galaxy, but their locations are not specified via the Galaxy Map .
Properties 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,
G
M
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4
π
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a
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T
2
{\displaystyle GM = \dfrac{4 \pi^2 a^3}{T^2}}
Mass Effect gives planetary orbital radius, a T Earth years. From these, we can compute the mass of the star:
M
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π
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G
T
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T
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Sol Masses
{\displaystyle
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.
