The atmosphere is mainly made of Hydrogen and Helium, similar to Jupiter. These elements give the planet an orange hue. The cloud bands of the planet are somewhat visible.
Out of the 22 moons of Ycowth, only 3 are larger than small asteroids. Of these three, the largest one has a radius of 928 Kilometers. It is a cold selena, very similar to Luna. The other two non-asteroid moons are both Frozen Ice Worlds, with very strange surfaces.