"In the far future, a visiting tourist from another planetary system asks to see the most massive object in our solar system. Where would you take him/her/it?"

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?