There is Inertia with newtons law that an object in motion stays in motion. There is gravity holding it down.If the object is at rest, there is no force acting upon it. Force = mass x acceleration...
it will float
A satellite.------------Or an moon if it's not machanical.NOTE: only planets can have moons, we are not an moon of the sun, nor an satalite
apparent diameter
It could be many things, possibly energy, or even value, or even the probability of it breaking.