One has to understand that no planet is good or bad, no planet gives automated or predefined results. According to astrology, one gets all the planetary positions as a result of past life deeds. This is the basic theory of Karma.It is said that if you have mishandled any particular trait of some planet, you are bound to get the bad effects of that planet in your birth chart or horoscope. Lets understand how Jupiters role is defined in the horoscope.Jupiter, generally plays a positive in our life, provided one should know how to utilise it. Jupiter is also considered as Guru (Teacher) of all Devta planets, which are the Sun, Moon, and Mars. Jupiter is also known for giving blessings, optimism, success, and generosity, provided it is well placed in your horoscope. But a negative Jupiter can make a person overspending, lazy, loving luxury, disobedient and over-confident. Jupiter is also known as the soul of a person.It is an important plant because apart from owning two houses and getting exalted and debilitated in different zodiac signs, it has been considered a karaka of the five houses in a horoscope. It simply means that Jupiter influences ten houses out of the total 12 houses of a birth chart. This shows how important the placement of Jupiter in a birth chart is for a person.How to know Jupiter is good or badA person can get in touch with an astrologer to know whether Jupiter is good or bad in a horoscope. But you can also access some of the traits to get an idea. Here are some traits that you can consider yourself:Do your ideas convert into positive results or profitsDo you perform religious dutiesDo you help othersDo you have the capacity to hold relationshipsAre you able to reconcile with your partner and other relationshipsYou connect with elder brothers and grand/great fathers. Bad Jupiter indicates you will not score well, here.A person with good Jupiter can please the audience.Proficiency in learning and literatureHow well a person can recite the Vedic mantrasJupiter in different houses gives different characteristics to the person. Lets see some of the effects of Jupiter in different houses.Jupiter in 1st houseJupiter in the first house of the ascendant shows general health and personality. It is also called the planet of expansion, which leads through more travel or reading. It makes the person extremely knowledgeable and wise.Jupiter in 2nd houseJupiter in the second house of ascendent blesses him/her with birth in an affluent family and remains financially secure with greater influence and higher authority in the society throughout life.Jupiter in 3rd houseThe 3rd house depicts communication and short travels. The native shares good relations with siblings, friends, and relatives. These people are generally successful writers, publishers, media persons, journalists, or involved in travel and tourism. They are also blessed with great memory and intuitive powers.Jupiter in the 4th houseJupiter in 4th house depicts mother, nourishment, education, house, and domestic peace, these people flourish in the homeland and are also the owner of many immovable properties.Jupiter in 5th houseThis house represents intelligence, creativity, sports, children and love relations. This house brings great fortunes with good education, wisdom and intelligence.Jupiter in 6th houseJupiter at this place is not considered good but gives abundance in health, job and service. The afflicted Jupiter sometimes results in clashes at workplace. These people believe in social service and good healing capacities.Jupiter in 7th houseThe 7th house in the birth chart represents marriage, spouse and all kind of partnerships. Jupiter in this house blesses with wealthy, wise and religious partner.Jupiter in 8th housePeople with Jupiter in 8th house are lucky to get wealth through the spouse or inheritance. The native, whose Jupiter is placed here may work in field of finance, tax, accounting or insurance. This house is also known for occult, sudden events, longevity and death.Jupiter in 9th houseThe native with Jupiter in 9th house keeps learning throughout life and also tastes the success at early age. Abroad settlement is also seen with this house.Jupiter in 10th houseThese people generally work in the field of education, spirituality, religion and travel. As this house represents career, profession, reputation and political concerns, they attain higher wisdom with fame.Jupiter in 11th houseThis house signifies gains, fulfillment of desires and social networking. The native generally moves through the intellectual people. Jupiter at this place also blesses with financial benefits and recognition but affliction may cause distractions in studies.Jupiter in 12th houseIt is the house of losses, expenses, the subconscious mind, spirituality, fears and insecurity. These people are often seen practicing higher spiritual practices. Working at hospitals, jails, asylum or rehab centre is commonly seen in these people.