Planets on Astrology is not as per the soler system completely but it is based on the effect on human being based on its movement so moon is considered as planet in astrology. Though these planets are different in different system but the most acceptable one are as follows-
Sun - Planet of Self (Central Planet)
Moon - Planet of Needs and Feelings
Mercury - Planet of Mind
Venus - Planet of Pleasure and Luxury
Mars - Planet of physical energy, Planet of Action
Jupiter - Planet of Expansion
Saturn - Planet of Time, Discipline, Responsibilities and Hard Work
Uranus - The Planet of Revolution. Bring about something new, often drastically change
Neptune - The Planet of Illusion
Pluto - Planet of Transformation