They are called planets >.>
Planets.
Asteroid
There is no "small dense object" that orbits between Mars and Jupiter. There are however numerous asteroids which are rocky objects up to a few hundred miles in diameter that orbit in this region making up what is called the asteroid belt.
Rocky body that orbits the sun between the planets is called an asteroid.
The Asteroid Belt is a group of rocky objectsbetween the orbits of Mars, {the farthest from the Sun, of the four Terrestrial Planets=Mercury, Venus, Earth & Mars} and the Gas Giants= Jupiter, Saturn, Uranus and Neptune.Pluto has been demoted to a Planetary Object. (I wasn't too happy about that, either)
The Moon.
Planets.
a planet
The answer is meteors
Asteroids, meteors, etc.
Asteroid Comets are icy conglomerations of material, so cannot be called a "rocky object".
Asteroid
There is no "small dense object" that orbits between Mars and Jupiter. There are however numerous asteroids which are rocky objects up to a few hundred miles in diameter that orbit in this region making up what is called the asteroid belt.
asteroids
Asteriods
Rocky body that orbits the sun between the planets is called an asteroid.
Such an object could be a terrestrial planet, a dwarf planet, or an asteroid.