Jupiter-- rules the zodiac sign of Sagittarius, and sometimes/maybe Pisces-- corresponds to the 9th house-- (foreign travel, international relations, higher learning, philosophy and the pursuit of truth).
NAVAGRAHA - 9 PLANETS - VEDIC ASTROLOGY - JYOTISH - The Sanskrit word "Graha" is often loosely translated as planet. The deeper meaning remains hidden. "Graha" refers to an entity that has the power to "seize, lay hold of, or grasp". Graha thus describes the ability of celestial events to either influence or predict occurrences on earth. They are part of the administration of Natural Law, which governs the whole universe. The nine planets infographic - by www.omved.com