The star of the Sanctum system is an orange dwarf. Below are the star's statistics.
Below is the statistical information for the 6 planets in the Sanctum system.
Obsidian is a planet with a thin, toxic atmosphere that lurks close to Sanctum.
For more information, see Sirris VI.
Crystaria is a massive ice/gas giant that is impossible to land on and thus completely uninhabitable.
Vernia is a dwarf planet.
Phosphorus is a volcanic planet constantly battling the cold of space. Its most notable feature is the overwhelming presence of bio-luminescent bacteria. A broken-down alien space station - built by an unknown species - is in orbit around this planet.
Korusiel is a colossal dwarf planet and potentially one of the biggest known, not having cleared its neighborhood. It's classed as a dwarf planet due to being in the center of an enormous asteroid field.