Merbel

Merbel is a frozen moon orbiting Glumo. Looking at the trailer for KSP 2, we can assume that Merbel has a high inclination orbit, however, this could change.

Aperients

Merbel's landforms are mostly covered with ice and rock. However, Merbel also has sea's. Its still unknown what the sea's are made of, but there's a possibility that there made up of liquid oily ethane and methane much like Titan.

Also like Titan, Merbel has an atmosphere, however it is unknown what its made up of.     

announcement trailer screenshot showing Merbel orbiting Glumo

announcement trailer Screenshot showing Merbels surface (Not real gameplay)

It will be in KSP 2.