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Milky Way / Hades Gamma / Antaeus
Basic Information
Mass Effect
Mass Effect Resources
Polonium and Uranium
Mass Effect 3 Assets
ArrayArray,ArrayArrayArray Credits
Location Information
Atm. Pressure
0.84 atm
Day Length
41.8 Earth Hours
Orbital Distance
1.0 AU (from Antaeus)
Orbital Period
1.1 Earth Years
5,489 km
Keplerian Ratio
Surface Gravity
0.86 g
Surface Temp.
8 °C
0.632 Earth Masses
Featured in...
Mass Effect and Mass Effect Array

Mass Effect & Mass Effect 3[edit | edit source]

Trebin is a modest terrestrial world, with an atmosphere composed of nitrogen and argon. Its surface is mainly composed of nickel with deposits of silver.

Trebin's environment is relatively mild, but the scarcity of water or similar enabling substances has prevented the development of any biosphere. ExoGeni Corp recently performed a test impact of a single water-ice comet into the surface, the first step of a long-term plan to thicken the atmosphere and introduce water to the environment.

A survey team is on the surface, monitoring the geological and meteorological effects of the test impact. Most of the water released is still in the form of atmospheric vapor, but thick cloud banks have formed. There is every indication that this arid world will soon see its first rain. The survey team's progress has been hampered by frequent mechanical or computer failures in their GPS satellites.

Mass Effect[edit | edit source]

Note: The Mako can land here.
Points of Interest
Location Appearance Description
1 Initial Survey Camp
(UNC: Missing Survey Team)
2 Initial Crashed probe, scavangers
(Master Electronics required to salvage)
3 Initial Transmitter Tower, unsalvageable probes
4 Initial Turian wreckage
(UNC: Turian Insignias)
5 Unmarked Thresher Maw
6 Discovery Mine entrance
(UNC: Missing Survey Team)
7 Unmarked The "song" associated with rachni can be heard here.
Mineral Deposits
Location Element Grade
1 Uranium Rare
2 Plutonium Rare