In Solar System there is no planet having thirteen moons, though the Neptune has 14 moons instead.
The planet Mercury has no natural satellites.
Venus is the second planet from the Sun, orbiting at a distance of .72 AU. It has no natural satellites.
You probably mean to ask about natural satellites as opposed to artificial satellites. In terms of neutrality, all satellites are neutral. In any event, the planet Jupiter has the most natural satellites, of any planet in our solar system. The planet Earth has the most artificial satellites.
Mercury & Venus have no natural satellites.
Venus has no known natural satellites (moons).
No natural satellites of Mercury have been discovered.
Saturn
saturn
Natural satellites
Io is not a planet. It is one of the larger natural satellites (or moons) of the planet Jupiter.
Léo Major was a distinguished soldier - not a planet that might have satellites.
Satellites. The moon is a natural satellite. What you and I commonly call satellites are man-made, of course.