Jupiter is the fifth planet from our Star, the Sun, and it is more than twice as massive as all of the seven other major planets combined! Its immense mass weighs-in at an incredible 318 times that of the Earth.
You might ask the situation of the other nations which also possess space technology. Especially, Russia has made some advancements of her own, but the Russian space program is only a fraction of what it once was. Of course, there is also some work by the Chinese as well as by the Indians and even the Europeans are trying to develop new space programs.
The fact that Enceladus becomes so extremely distorted suggests that it contains quite a bit of water. A watery moon would, of course, be a flexible one. Therefore, for Enceladus to be as flexible as it apparently is, it must hold either an enormous local ocean or one that is global. Parts of that immense ocean may be pleasantly warm--but other portions might be quite hot.