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Planet View
Type Gas Giant
Orbital Distance 102.1 AU
Orbital Period 1,036.0 Earth Years
Keplerian Ratio 0.992
Radius 92,430 km
Day Length 12.2 Earth Hours
Atm. Pressure N/A
Surface Temp N/A
Surface Gravity N/A
Mass N/A
Satellites > 1

Location: Milky WayFar RimMa-at System First planet

Species Geth
Prerequisite: Horizon (mission) (Mass Effect 2)
Prerequisite: Priority: The Citadel II (Mass Effect 3)


Ammut is an enormous hydrogen-helium gas giant with a mass approximately nine times that of Jupiter and nearly 2,900 times that of Earth. Despite massive pressure its core has failed to ignite in a fusion reaction, qualifying it as a failed star. It is believed to have captured all other planet-sized bodies in the solar system as moons or in impact events leading to its name, which means "Devourer". Unintimidated by this phenomena, the geth have colonized many of Ammut's moons and skim the hydrogen from Ammut's upper atmosphere.

TRAVEL ADVISORY: Ammut is in geth space. All civilian traffic is prohibited.

Mineral DepositsEdit

Initial Scanner Result: Moderate

Mineral Amount Approximate Value
Palladium Low 2,600
Platinum Low 3,600
Iridium Medium 5,100
Element Zero None 0


  • Ammut may be named after the Egyptian demon Ammut.

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