Eighth house is the house of mystery. It represents fears, anxiety, crisis, sudden events, shocks, transformation, insecurity and up and down in life. This house also represents inheritances, money earned by other people, spouse resources and joint assets with spouse. It is the house of beginning of spirituality, learning meditation, de-attachments from others, hidden and secret love affairs. It also represents underground things e.g. gems stone, mines, ground stores, oil resources and graveyards.
Jupiter is a very important planet in astrology. By looking at the Jupiter condition in the birth chart one can judge many things in life. Jupiter is your good karma (God's grace) and it represents many things in life. e.g Guru grace, children, fortune, wealth and higher learning. If Jupiter is not good in the birth chart a person may suffer in many aspects of life. Jupiter behaves differently for each ascendant because it rules different houses for different ascendants. The behavior of any planet depends on what house planet they rule in the birth chart. Suppose Jupiter rules 6th, 8th and 12th it means Jupiter will give the result of these houses and these houses considered unpleasant houses in astrology.
So what happens when Jupiter is in the 8th house for a different ascendant.
Aries Ascendant: Jupiter is in Scorpio sign in the 8th house for Aries ascendant and it rules 9th and 12th house. The 9th house is beneficial and the 12th house is the house of liberation. The person is intuitive, strong-willed, adventurous, hopeful, and joyful. Jupiter is in the 8th house and can gain through unexpected income, investment, partner and litigation. Jupiter is in the 8th house in the Scorpio sign gives the desire to learn about 8th house things, like occult science, astrology, and other secrets of life. Because it rules 9th, the person may have hidden luck and it rules 12th house of liberation. 12th lord in 8th house, It is vipreet rajyoga and it gives wealth during Jupiter mahadasha and antardasha. The person has knowledge about how to deal with 12th house things.
Taurus Ascendant: Jupiter is in Sagittarius sign in the 8th house and it rules 8th and 11th house. 8th is considered malefic and the 11th house represents gains. For Taurus ascendant Jupiter in Sagittarius in the 8th house is strong. The person is sincere, helpful, fortunate, successful, much independent, has leadership qualities, could be a guru, and enterprising. They stand a fair chance in any kind of matter. May suffer from a fall, ups and down in social circles and initially in the income but manageable later. Gains after marriage, through legacy, good for inheritance and gaining money through gambling. Generally a wealth giving placement. Jupiter will generally not give good names and should be careful about bad names but increase in income .
Gemini Ascendant: Jupiter is in Capricorn sign in the 8th house and it rules 7th and 10th house. The 7th house represents relationships and support from others and the 10th house represents career. Jupiter is debilitated in Capricorn sign. The person is very money minded, materialistic, steady, well-formed, gloomy, irrational, immodest, and inert. The person has high aspirations, and has good organizational abilities. There will be gain and success through high positions in life, business and foreign business. You are thrifty and hard working. The negative side is that they may suffer in relationships, in career and from the government. Also weak for inheritance, partner money and support from partnership.
Cancer Ascendant: Jupiter is in Aquarius sign in the 8th house and it rules 6th and 9th house. The 6th house is an unpleasant house, where we don’t want to deal and the 9th house is a fortune house. Whenever the 6th lord is in the 8th house it is known as vipareeta raja yoga. The person is aware of 6th house things and able to deal with it or unpleasantness of 6th house is taken away by some other means. You are interested in philosophy, medicine, social service and spiritual pursuits. You want to grow in mind, body and soul and unite with truth. You are interested in how to make life better and more noble. You are known for your interest in occult or deep spiritual matters, history and literature. Jupiter rules both good and bad houses, so Jupiter will generally give you the ability to do hard work and that will confer recognition and increase in income.
Leo Ascendant: Jupiter is in Pisces sign in the 8th house and it rules 5th and 8th house. The 5th is the house of children and intelligence and the 8th house represents sudden ups and downs in life. Jupiter in its own sign is strong and gives a mixed result of good (5th) and bad (8th) houses. You have the good qualities of Jupiter, have noble qualities, religious seeker, being intuitive, investigative, philosophical, prophetic, affectionate, generous, and humane. Also, you like to be charitable to others and learned and well versed in vedas and shastras. Gain through speculation, investments and gambling. This flow of incomes or outflows depends upon inheritance, donations, gambling wins, endowments, and pensions.
Virgo Ascendant: Jupiter is in Aries sign in the 8th house and it rules 4th and 7th house. The 4th house represents inner emotional well being, and the 7th house represents spouse and other people. You successfully achieve intellectual and material growth. Gain through speculation, patrimony, children and partner. You may be in great authority, name and fame through religious links and even enemies. You have a clear consciousness and will develop interest in the opposite sex, wine, occult science, metaphysics, and spirituality. However you will gain from the relationship but it will not be smooth and you will learn many lessons from that.
Libra Ascendant: Jupiter is in Taurus sign in the 8th house and it rules 3rd and 6th house. The 3rd house represents courage, will, learning, and siblings and the 6th house represents unpleasant things in life and we don’t like to deal with it . Both houses are considered cruel houses in astrology. For Libra ascendant, Jupiter generally does not give favorable results. Sometimes the effect of this Jupiter may be deceptive. For instance, it may help you obtain a loan, a subsidy, a financing, and it helps you to be granted quite huge amounts too but you may not be able to refund this money on time. So eventually its presence in the 8th house may be adverse for you but you will be able to handle it, because it makes vipareeta raja yoga.
Scorpio Ascendant: Jupiter in Gemini sign in the 8th house and it rules 2nd and 5th house. The 2nd house represents wealth, family and self esteem and 5th house represents children, love romance, speculation, sports, fun and intelligence. Jupiter rules two good houses. Jupiter rules two wealth giving houses. It helps you to give wealth through inheritance, through family, through gambling and good past life credits. Jupiter is in the sign of a Gemini, therefore you like to enhance your knowledge through logic. You may have a liking for literature, occult studies and enlightening things. You have good logical wisdom so you could be an expert astrologer.
Sagittarius Ascendant: Jupiter in Cancer sign in the 8th house and it rules 1st and 4th house. The 1st house represents identity and personality and 4th house represents home and inner peace. Here Jupiter rules two good houses. Jupiter exalted in Cancer sign. You are sociable, mannerful, cultured, well liked by all, benevolent at heart, devoted to the mother and your own heartfelt feelings, and want to help others. Jupiter in Cancer makes a person special, mixes up the fortunes of paternal inheritance with the misfortunes of family decay. Your mother is spiritual and any change related to your mother is very easy to handle. This placement gives a long life span.
Capricorn Ascendant: Jupiter in Leo Sign in the 8th house and it rules 3rd and 12th house. Here Jupiter rules two cruel and malefic houses. The 3rd house represents courage, desire, will, skill and siblings and the 12th house represents loss in life. For Capricorn ascendants, Jupiter gives secretive service, judiciary, embassy and uncommon occurrences. Jupiter will generally not give favorable results. Here Jupiter will expand your hidden resources, power issues, investments with others and legacies. Jupiter expands your financial activities and deepens your sense of inner power. Can give problems from authority figures.
Aquarius Ascendant: Jupiter is in Virgo sign in the 8th house and it rules 2nd and 11th house. Here Jupiter rules two wealth houses. The 2nd house represents the money, value system, family and wealth and the 11th house represents the social circle and income. For Aquarius ascendant Jupiter is choosy about friends, has an analytical mind, observant, promising, and unorthodox about marriage normal norms. Gains through literary pursuits and speculation in commercial investments. Precaution should be taken not to be involved in some unethical work for money can give a bad name and disappointment in life.
Pisces Ascendant: Jupiter is in Libra sign in 8th house and it rules 1st and 10th house. Here Jupiter rules two good houses. The 1st house represents identity and overall general health and 10th house represents career and reputation in life.. For Pisces ascendant Jupiter gives a cultured and gracious personality, and is generous and helpful. Ups and down in your career and health may suffer. You may get trouble through unfaithful partners. You will be prone to illicit relations and suffer from them. You may have a desire for sexual union with "religious" people and it may harm your identity and health.
Depending on the aspect and conjunction of the planet with Jupiter results may vary.