I found this awesome wallpaper with Satellite picture on Digital Ocean's IMGUR account. They shared several wallpaper for PC desktop or laptop. Featured with inspiring picture of satellite in cartoon mode, I think that this wallpaper will be a good choice for you.
The resolution of this wallpaper is 2560×1440 pixels. This resolution will be perfect for wallpaper on your PC desktop or laptop. I also publishing another wallpaper with similar theme on below gallery: