Caeruleo 2.1 is a moon of Caeruleo 2, the second planet in the Caeruleo system, 2.14 light-years from Nivenia. It does not really have any particularly useful mineral deposits, but does have a small gravity well and its material could be used as generic bulk material.

General Information
Nivenian History after Dekemurios 32, 20 NE
Nivenia Space Core Systems (within 3.2 light-years)
Nivenia Space Rouge Planets