Does the Solar System have 13 planets?

Answer 1

Yes, the solar system has 13 planets: 8 major planets and 5 dwarf planets:

If you list ALL 13 in order, including dwarf planets, they are:

1. Mercury

2. Venus

3. Earth

4. Mars

5. Ceres

6. Jupiter

7. Saturn

8. Uranus

9. Neptune

10. Pluto

11. Haumea

12. Makemake

13. Eris

Dwarf planets also fall under the category of minor planets, of which there are thousands in our solar system. As of 2017, the orbits of 734,274 minor planets were archived at the Minor Planet Center, 496,815 of which had received permanent numbers. The largest minor planet that is not considered to be a dwarf planet is Sedna.

Note: the definition of a dwarf planet is somewhat ambiguous, and some people do not consider them to be planets.

Answer 2

No. Currently the solar system has eight planets and five objects classified as dwarf planets. Despite the name these objects are not considered planets.