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Mass Effect 2 Planetary Database: Entry Details
Zesmeni
System: Crescent Nebula
Cluster: Ondeste
Anomaly/Landable: No
Installation: Base Installation
Population: 620
Orbital Distance: 0.8 AU
Orbital Period: 1.3 Earth Years
Radius: 5,806 km
Day Length: 37.6 Earth Hours
Atmospheric Pressure: 0.64 Earth Atmospheres
Surface Temperature: -119 Celsius
Surface Gravity: 0.66 G
Cold, dim, and shrouded by a methane-ammonia atmosphere, Zesmeni has nevertheless attracted development by asari mining concerns that service military industries. There are significant lodes of valuable light metals present, including titanium and lithium. Titanium is the primary material used in mass accelerator slugs, and lithium is used in the military-grade "droplet" heat radiators used aboard warships.