Mass Effect Planetary Database: Location Details
Slekon Slekon

Cluster: Argos Rho
System: Gorgon
Orbital Period: 4483.1 Earth Years
Radius: 77,115 km
Day Length: 4483.1 Earth Years

Orbiting at an unbelievable distance of 710 AU (over 66 billion kilometers) from Gorgon, Slekon is a huge gas giant, with an atmosphere tainted by methane and chlorine.