Jupiter is the fifth planet from the Sun and it rules Sagittarius. It orbits the Sun and is positioned between Mars and Saturn. Jupiter takes 12 years to complete one rotational cycle. Jupiter is the largest planet in our solar system. This may be the reason it is associated with abundance and good fortune. Traditionally Jupiter was considered the natural ruler of Sagittarius during the day and the ruler of Pisces during the night. However, the discovery of Neptune changed that and Pisces is now ruled by Neptune.

Jupiter is exalted in Cancer and is in its fall in Capricorn. It is a natural benefic planet and signifies generosity, expanding business, success in one's efforts, law, justice, religion. spirituality and honesty. Careers associated with it are judges, lawyers, doctors, healers, political leaders and government servants. A person ruled by Jupiter may be inclined towards obesity and could have a good complexion. Jupiter rules the thighs and the liver.