Planets are the focal points of energy. They are indicators of specific kinds of activity, each unique, but colored by the nature of the sign the planet is in. The sign most like the nature of a particular planet is said to be ruled by that planet.
Positive (yang) planets are the Sun, Mars, Jupiter, Uranus and Pluto. They activate, project, stimulate and vitalize. Negative (yin) planets are the Moon, Venus, Saturn and Neptune. They are receptive, reactive, responsive and protective. The one planet that is neutral is Mercury, which modifies, interprets or communicates the energies of other planets in aspect to it.
| Planet | Rulership | Key Words |
| Sun | Leo | will, individuality, sprit, creative energy |
| Moon | Cancer | personality, emotions, feelings, sensitivity |
| Mercury | Gemini/Virgo | mind, communications, link between sprit and matter |
| Venus | Taurus/Libra | harmony, appreciation, personal affection |
| Mars | Aries/Scorpio | energy, action, aggressiveness |
| Jupiter | Sagittarius | expansion, spontaneity, improvement |
| Saturn | Capricorn | contraction, limitation, discipline, effort |
| Uranus | Aquarius | change, originality, independence, reform, rebellious |
| Neptune | Pisces | sensitivity, compassion, faith, idealism |
| Pluto | Scorpio | regeneration, cooperation, deep transformation |