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Mass Effect Wiki
Milky Way Clusters Systems Planets Moons Asteroids
Space stations Starships Missions Assignments Locations Planet Index


Planets are massive celestial bodies that orbit a star or stellar remnant. They are of many different sizes and compositions. Planets may have natural satellites (moons) and may or may not be inhabited. Every planet has a unique infographic, but most of them cannot be interacted with. Travel from planet to planet requires use of the Galaxy Map.

Within each planetary system, there will usually only be one location to land / dock. Most often this will be a planet, but it may be a moon or starship instead. Many planets can be scanned from space for minerals or other collectibles, but not landed upon. There are even asteroids containing valuable metals or other objects hidden in the belts.

Main article: Mass Effect System Guide

For an alphabetical list of planets see Category:Planets (or the Planet Index).

Mass Effect

Argos Rho

Asteroid belt
Asteroid belt

Armstrong Nebula

Asteroid belt
Asteroid belt
Asteroid belt

Artemis Tau

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

Attican Beta

Exodus Cluster

Gemini Sigma

Asteroid belt

Hades Gamma

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Hawking Eta

Asteroid belt
Verr

Horse Head Nebula

Asteroid belt

Kepler Verge

Asteroid belt

Local Cluster

Earth (Luna)
Asteroid belt

Maroon Sea

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Pangaea Expanse

Sentry Omega

Serpent Nebula

Asteroid belt

Styx Theta

Asteroid belt
Asteroid belt

Voyager Cluster

Asteroid belt
Asteroid belt

Mass Effect 2

Caleston Rift

Asteroid belt
Asteroid belt

Crescent Nebula

Asteroid belt
Asteroid belt

Eagle Nebula

Asteroid belt
Asteroid belt
Asteroid belt

Far Rim

Asteroid belt

Hades Nexus

Asteroid belt

Hawking Eta

Asteroid belt
Verr

Hourglass Nebula

Asteroid belt

Ismar Frontier

Faia

Krogan DMZ

Asteroid belt

Local Cluster

Earth (Luna)
Asteroid belt

Minos Wasteland

Nubian Expanse

Omega Nebula

Asteroid belt
Asteroid belt

Pylos Nebula

Asteroid belt

Rosetta Nebula

Serpent Nebula

Asteroid belt

Shadow Sea

Sigurd's Cradle

Mil
Asteroid belt

The Phoenix Massing

The Shrike Abyssal

Thal
Asteroid belt
Asteroid belt

Titan Nebula

Vallhallan Threshold

Asteroid belt
Asteroid belt

Viper Nebula

Asteroid belt

Mass Effect 3

Aethon Cluster

Asteroid belt
Asteroid belt

Annos Basin

Asteroid belt

Apien Crest

Arcturus Stream

Asteroid belt

Argos Rho

Asteroid belt
Asteroid belt

Athena Nebula

Asteroid belt
Asteroid belt
Asteroid belt

Attican Beta

Caleston Rift

Asteroid belt
Asteroid belt

Crescent Nebula

Asteroid belt
Asteroid belt

Exodus Cluster

Far Rim

Asteroid belt

Gemini Sigma

Asteroid belt

Hades Gamma

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Hades Nexus

Asteroid belt

Horse Head Nebula

Asteroid belt

Hourglass Nebula

Asteroid belt

Ismar Frontier

Faia

Kepler Verge

Asteroid belt

Kite's Nest

Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt
Asteroid belt

Krogan DMZ

Asteroid belt

Local Cluster

Earth (Luna)
Asteroid belt

Minos Wasteland

Nimbus Cluster

Ninmah Cluster

Asteroid belt
Asteroid belt

Nubian Expanse

Perseus Veil

Asteroid belt

Petra Nebula

Asteroid belt

Pylos Nebula

Asteroid belt

Serpent Nebula

Asteroid belt

Shadow Sea

Sigurd's Cradle

Mil
Asteroid belt

Silean Nebula

Asteroid belt
Asteroid belt
Asteroid belt

The Shrike Abyssal

Thal
Asteroid belt
Asteroid belt

Vallhallan Threshold

Asteroid belt
Asteroid belt


Homeworlds

"Homeworlds" redirects here. For the comic series, see Mass Effect: Homeworlds.

These planets are the homeworlds of some of Milky Way's known intelligent races.

These planets are the homeworlds of some of Andromeda's known intelligent races.

Other Worlds

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

Properties

Mass Effect provides the radius of planets (in kilometers), and for planets with a solid surface it further provides the surface gravity (as a proportion of Earth's surface gravity). From these, it is possible to derive the mass (and density) for any planet with a surface gravity.

Isaac Newton's gravitational constant is 6.67×10-11 m3kg-1s-2 which would be 6.67×10-20 km3kg-1s-2 when dimensioned for kilometers. Earth's surface gravity, g, is 9.81 ms-2, which is 9.81×10-3 kms-2. According to Newton's Law of Universal Gravitation, the mass of any body, M, is ar2G-1, where a is gravity, r the radius, and G the gravitational constant. Since the gravity of a planetary body in Mass Effect, s, is given as a proportion of Earth's, a = sg. Therefore, given values for s (dimensionless) and r (in km), and given that the mass of the Earth is 5.9736×1024 kg, the mass of a planet will be:

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