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Mass Effect 2 Planetary Database: Entry Details
Joab
System: Rosetta Nebula
Cluster: Enoch
Anomaly/Landable: Yes
Installation: Base Installation
Colony Founded: 2171
Capital: New Jericho
Population: 21553000
Orbital Distance: 2.3 AU
Orbital Period: 3.5 Earth Years
Radius: 6,709 km
Day Length: 25.6 Earth Hours
Atmospheric Pressure: 2.18 Earth Atmospheres
Surface Temperature: 14 Celsius
Surface Gravity: 1.2 G
Joab is a two-mooned habitable planet that is most well known for its mass extinction event. Thousands of years ago, Joab was home to a primate-like spacefaring civilization as well as abundant flora and fauna. However, this can only be deduced from time capsules put into the ground well outside habitation centers -- all cities and detectable dwellings were targeted in a massive orbital bombardment that turned them into vapor. The resulting dust shroud killed all photosynthetic life and all fauna dependent on it.

Today, human have recolonized the planet and are rapidly introducing their own species, beginning with cyanobacteria and heterotrophic bacteria to bring a suitable level of oxygen and nitrogen for respiration.

TRAVEL ADVISORY: Atmospheric pressure at sea level on Joab is double that of Earth. Visitors with upper respiratory infections, emphysema, cancer, or a history of thoracic surgery should consult their physician before landing on Joab.