Jupiter is huge, elderly, very knowledgeable and learned. It is of noble nature, well respected, generous and pure hearted. Of all the planets Jupiter is the most beneficial. Whatever sign, house or planet in the horoscope, aspected by Jupiter gets life and vitality and is boosted in all aspects. Jupiter is a divine planet and signifies a guru or preceptor. He also signifies husband in female's horoscope. Jupiter and the ninth house in the birth chart indicates extent to which one would have wealth, success, honor, fortune, glory and meritorious actions. It is significator of children, wealth, law, religion, bank, companies etc . If Jupiter is posited in the ninth house of the horoscope and it is strong there, that native is blessed with providential help in case of any difficulty. It also signifies proper judgment, good reasoning faculty, air travels, long journeys, prosperity, inheritance, pilgrimage, popularity amongst high ranking officers and public. One has sympathetic nature, broad outlook and enjoys government favor. It gives gain in business and political power when it is benefic in the horoscope and aspects Sun ( Sun in good house). Jupiter is a chief governor of production and expansion.
Jupiter has lordship of the signs Sagittarius and Pisces. It is exalted in the sign Cancer at 5 degrees and it is debilitated in the sign Capricorn at 5 degree. Sun, Moon and Mars are friendly to Jupiter, while Mercury and Venus are it's inimical planets. Jupiter is neutral to Saturn. It represents north east direction.
If Jupiter is well placed and strong in the horoscope then the native gains good and useful knowledge, career betterment, acquires valuable assets, financial prosperity, name, fame and happiness, good progeny and fulfillment of ambitions.
If Jupiter is weak and afflicted in the horoscope then there may be loss of position, reputation and wealth. There can be anxiety due to spouse and children and difficulties during travel.
Parts of the body represented by Jupiter are stomach, intestine and fat.
Diseases caused by it are liver trouble, dropsy, flatulence, abscess, degeneration of fat, digestive trouble, kidney etc.