Only dwarf planet in inner solar system

 I will start with these things.

What is inner solar system ???

                         Inner solar system refers to the region of solar system that includes the 4 inner most planets which are

1.  Mercury 

2. Venus

3. Earth 

4.  Mars

                This region also includes the asteroid belt which is ring of space rocks and debris that orbits the sun between planets Mars and Jupiter.

                   

The inner solar system is characterized by  -----

1.  Rocky planets with solid surfaces 

2.  Relatively smaller distance from the Sun.

3. Higher temperatures due to proximity of Sun.

      Only dwarf planet in the inner solar system is

                                          CERUS 

It is also the largest object in asteroid belt.