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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

Mass Effect: Andromeda[]

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

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:

Trivia[]

  • Casey Hudson created a random planet generator in Microsoft Excel (labeled PLANET-GEN) which would also give out accurate statistical details. The rest of the development team used it to create a list of hundreds of viable planets, combined with an in-house tool in Unreal Engine 3, to map one solar system at a time and add those planets in.[1]

References[]