A model of a frozen planet. Seamless texture maps. 3DS Max 2016 (18.0.873.0)/V-Ray Next (4.30.00) project file included, the file includes planet model and 3 cloud models and for them displacement modifier stacks with subdivision and MeshSmooth modifiers to bring the out detail.
Texture resolution: 8192 x 8192
The planet surface:
For the clouds: