This post is a list of Solar System planets by orbital period around the Sun. There are 8 planets listed below by shortest to longest orbital period. Source: nssdc.gsfc.nasa.gov
- Mercury: 88 days
- Venus: 225 days
- Earth: 365 days
- Mars: 687 days
- Jupiter: 12 years
- Saturn: 29 years
- Uranus: 84 years
- Neptune: 165 years
