Element: Fire
Mode: Mutable
Zodiac Symbol: Archer, Centaur
Key Motivations: Seeking knowledge, understanding the big picture, travel, adventure, connecting with spiritual truth, finding the sacred in the mundane, search for meaning, having faith
Outstanding Attributes: Broad-mindedness, honesty, candor, inquisitiveness, sincerity, excellent sense of humor and irony, quick-witted, optimistic, persuasive, lucky, altruistic, idealistic
Center of Body Activity: Thighs and liver
Mythological Character: Zeus/Jupiter, the Centaurs
Planetary Ruler: Jupiter
Number: 3
Archetype: Eternal optimist

Information from the book Astrological Secrets for the New Millennium by Laurie A. Baum, M.S.W. For full information on Sagittarius and the other signs, check this book out!