The atmosphere is mainly made of H2 and He. The planet has many cloud bands and storms all across the planet. It also has strong winds.
The moons of Tramarius are mostly cold asteroids. However, 5 of them are large enough to achieve a sphere. The spherical moons are all small cold selenas, uninhabited.
The planet is dotted with cities in the upper atmosphere. They are all very small and scattered across the planet. They are mainly bases for miners, as the moons of the planet are prime for material mining.