Yes, as the nebula that gave rise to our solar system contained gold (we know this because gold is found on Earth), All bodies in the solar system will contain some gold in them.
Considering you can't stand on Jupiter and not sink it's a hard one to find out. It would vairy depending on where the moons were. But if you were to choose one it would be Lo
Most small, irregular ones would seem like tiny dots(closer ones would seem like very small, flying potatoes Example - Metis, Adastrea, Amalthea) but for the galilean ones (biggest ones) its...
The trouble is the layer of liquid hydrogen over the core, with a 27 kilometer hydrogen atmosphere over that. One would have to be floating on that ocean, and look up through the atmosphere to see...