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Contents

Systems are sets of gravitationally bound non-stellar objects in orbit around one or multiple stars.

Original Mass Effect Trilogy[edit | edit source]

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.

Mass Effect[edit | edit source]

Argos Rho[edit source]

Asteroid belt
Asteroid belt

Armstrong Nebula[edit source]

Asteroid belt
Asteroid belt
Asteroid belt

Artemis Tau[edit source]

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

Attican Beta[edit source]

Exodus Cluster[edit source]

Gemini Sigma[edit source]

Asteroid belt

Hades Gamma[edit source]

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Hawking Eta[edit source]

Asteroid belt
Verr

Horse Head Nebula[edit source]

Asteroid belt

Kepler Verge[edit source]

Asteroid belt

Local Cluster[edit source]

Earth (Luna)
Asteroid belt

Maroon Sea[edit source]

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Pangaea Expanse[edit source]

Sentry Omega[edit source]

Serpent Nebula[edit source]

Asteroid belt

Styx Theta[edit source]

Asteroid belt
Asteroid belt

Voyager Cluster[edit source]

Asteroid belt
Asteroid belt

Mass Effect 2[edit | edit source]

Caleston Rift[edit source]

Asteroid belt
Asteroid belt

Crescent Nebula[edit source]

Asteroid belt
Asteroid belt

Eagle Nebula[edit source]

Asteroid belt
Asteroid belt
Asteroid belt

Far Rim[edit source]

Asteroid belt

Hades Nexus[edit source]

Asteroid belt

Hawking Eta[edit source]

Asteroid belt
Verr

Hourglass Nebula[edit source]

Asteroid belt

Ismar Frontier[edit source]

Faia

Krogan DMZ[edit source]

Asteroid belt

Local Cluster[edit source]

Earth (Luna)
Asteroid belt

Minos Wasteland[edit source]

Nubian Expanse[edit source]

Omega Nebula[edit source]

Asteroid belt
Asteroid belt

Pylos Nebula[edit source]

Asteroid belt

Rosetta Nebula[edit source]

Serpent Nebula[edit source]

Asteroid belt

Shadow Sea[edit source]

Sigurd's Cradle[edit source]

Mil
Asteroid belt

The Phoenix Massing[edit source]

The Shrike Abyssal[edit source]

Thal
Asteroid belt
Asteroid belt

Titan Nebula[edit source]

Vallhallan Threshold[edit source]

Asteroid belt
Asteroid belt

Viper Nebula[edit source]

Asteroid belt

Mass Effect 3[edit | edit source]

Aethon Cluster[edit source]

Asteroid belt
Asteroid belt

Annos Basin[edit source]

Asteroid belt

Apien Crest[edit source]

Arcturus Stream[edit source]

Asteroid belt

Argos Rho[edit source]

Asteroid belt
Asteroid belt

Athena Nebula[edit source]

Asteroid belt
Asteroid belt
Asteroid belt

Attican Beta[edit source]

Caleston Rift[edit source]

Asteroid belt
Asteroid belt

Crescent Nebula[edit source]

Asteroid belt
Asteroid belt

Exodus Cluster[edit source]

Far Rim[edit source]

Asteroid belt

Gemini Sigma[edit source]

Asteroid belt

Hades Gamma[edit source]

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Hades Nexus[edit source]

Asteroid belt

Horse Head Nebula[edit source]

Asteroid belt

Hourglass Nebula[edit source]

Asteroid belt

Ismar Frontier[edit source]

Faia

Kepler Verge[edit source]

Asteroid belt

Kite's Nest[edit source]

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Krogan DMZ[edit source]

Asteroid belt

Local Cluster[edit source]

Earth (Luna)
Asteroid belt

Minos Wasteland[edit source]

Nimbus Cluster[edit source]

Ninmah Cluster[edit source]

Asteroid belt
Asteroid belt

Nubian Expanse[edit source]

Perseus Veil[edit source]

Asteroid belt

Petra Nebula[edit source]

Asteroid belt

Pylos Nebula[edit source]

Asteroid belt

Serpent Nebula[edit source]

Asteroid belt

Shadow Sea[edit source]

Sigurd's Cradle[edit source]

Mil
Asteroid belt

Silean Nebula[edit source]

Asteroid belt
Asteroid belt
Asteroid belt

The Shrike Abyssal[edit source]

Thal
Asteroid belt
Asteroid belt

Vallhallan Threshold[edit source]

Asteroid belt
Asteroid belt


Mass Effect: Andromeda[edit | edit source]

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.

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

Other Systems[edit | edit source]

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

Properties[edit | edit source]

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,


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:


(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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