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Systems

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Systems are sets of gravitationally bound non-stellar objects in orbit around one or multiple stars. This article lists the various star systems 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.

Mass EffectEdit

Argos Rho Edit

Asteroid belt
Asteroid belt

Armstrong Nebula Edit

Asteroid belt
Asteroid belt
Asteroid belt

Artemis Tau Edit

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Attican Beta Edit

Exodus Cluster Edit

Gemini Sigma Edit

Asteroid belt

Hades Gamma Edit

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Hawking Eta Edit

Asteroid belt
Verr

Horse Head Nebula Edit

Asteroid belt

Kepler Verge Edit

Asteroid belt

Local Cluster Edit

Earth (Luna)
Asteroid belt

Maroon Sea Edit

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Pangaea Expanse Edit

Sentry Omega Edit

Serpent Nebula Edit

Asteroid belt

Styx Theta Edit

Asteroid belt
Asteroid belt

Voyager Cluster Edit

Asteroid belt
Asteroid belt

Mass Effect 2Edit

Caleston Rift Edit

Asteroid belt
Asteroid belt

Crescent Nebula Edit

Asteroid belt
Asteroid belt

Eagle Nebula Edit

Asteroid belt
Asteroid belt
Asteroid belt

Far Rim Edit

Asteroid belt

Hades Nexus Edit

Asteroid belt

Hawking Eta Edit

Asteroid belt
Verr

Hourglass Nebula Edit

Asteroid belt

Ismar Frontier Edit

Faia

Krogan DMZ Edit

Asteroid belt

Local Cluster Edit

Earth (Luna)
Asteroid belt

Minos Wasteland Edit

Nubian Expanse Edit

Omega Nebula Edit

Asteroid belt
Asteroid belt

Pylos Nebula Edit

Asteroid belt

Rosetta Nebula Edit

Serpent Nebula Edit

Asteroid belt

Shadow Sea Edit

Sigurd's Cradle Edit

Mil
Asteroid belt

The Phoenix Massing Edit

The Shrike Abyssal Edit

Thal
Asteroid belt
Asteroid belt

Titan Nebula Edit

Vallhallan Threshold Edit

Asteroid belt
Asteroid belt

Viper Nebula Edit

Asteroid belt

Mass Effect 3Edit

Aethon Cluster Edit

Asteroid belt
Asteroid belt

Annos Basin Edit

Asteroid belt

Apien Crest Edit

Arcturus Stream Edit

Asteroid belt

Argos Rho Edit

Asteroid belt
Asteroid belt

Athena Nebula Edit

Asteroid belt
Asteroid belt
Asteroid belt

Attican Beta Edit

Caleston Rift Edit

Asteroid belt
Asteroid belt

Crescent Nebula Edit

Asteroid belt
Asteroid belt

Exodus Cluster Edit

Far Rim Edit

Asteroid belt

Gemini Sigma Edit

Asteroid belt

Hades Gamma Edit

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Hades Nexus Edit

Asteroid belt

Horse Head Nebula Edit

Asteroid belt

Hourglass Nebula Edit

Asteroid belt

Ismar Frontier Edit

Faia

Kepler Verge Edit

Asteroid belt

Kite's Nest Edit

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Krogan DMZ Edit

Asteroid belt

Local Cluster Edit

Earth (Luna)
Asteroid belt

Minos Wasteland Edit

Nimbus Cluster Edit

Ninmah Cluster Edit

Asteroid belt
Asteroid belt

Nubian Expanse Edit

Perseus Veil Edit

Asteroid belt

Petra Nebula Edit

Asteroid belt

Pylos Nebula Edit

Asteroid belt

Serpent Nebula Edit

Asteroid belt

Shadow Sea Edit

Sigurd's Cradle Edit

Mil
Asteroid belt

Silean Nebula Edit

Asteroid belt
Asteroid belt
Asteroid belt

The Shrike Abyssal Edit

Thal
Asteroid belt
Asteroid belt

Vallhallan Threshold Edit

Asteroid belt
Asteroid belt


Other Systems Edit

These systems are known to exist in the Milky Way galaxy, but their locations are not specified via the Galaxy Map.

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.

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