Probably asteroids or comets depending on your definition of numerous.
The most numerous bodies in the solar system are asteroids. There are estimated to be millions of them, with most of them located in the asteroid belt between Mars and Jupiter. They vary in size from small rocks to large bodies several hundred kilometers in diameter.
Stars or asteriods
The Moon.
Because Jupiter has the most moons (62) and is the most massive planet in our solar system. So it can be a thought of like a central body or star, and its moons can be though of Planets that orbit this central body or Star.
The most common star in our solar system is the Sun, with a total count of one (1). There are no other stars inside the solar system.
There is no known black hole in our Solar System.
Stars or asteriods
The sun.
It is the most volcanically active body in the solar system.
In my solar system, the most massive body, which accordingly has the greatest gravity, is the central star, Sol.
The Moon.
Solar Maximum
Volcanoes, it is the most volcanically active body in the solar system.
Most of the mass of the solar system is in the sun. As a consequence all objects in the solar system orbit the sun.
Because Jupiter has the most moons (62) and is the most massive planet in our solar system. So it can be a thought of like a central body or star, and its moons can be though of Planets that orbit this central body or Star.
The most numerous blood cells in the human body are red blood cells.
Most of the mass of the solar system is contained in the sun because the sun is at the center of the solar system. The sun makes 99 percent of the mass in the solar system.
The Sun is the most massive object in our Solar System, followed by Jupiter.