Pruinae is a I-Class planet, and the 7th in the Rubrum system. It is entirely frozen, has 5 moons, and a diameter of 5427 km, similar to Tempest in size. It has an atmosphere of N2, but is extremely thin and hardly effects the planet at all. It has a gravity of 0.17 g, and takes 2.8 years to orbit Rubrum.

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