Guide
Astrology study guide
A simple guide to quickly understand the basics of planets, signs, their nature, friendships, enmities, and core chart rules. Useful for study, revision, and everyday chart learning.
Planets
Planet Overview
Core planet reference, including dignity landmarks and broad role summaries. Modern outer planets are explicitly marked as optional.
| Planet | Nature | Gender | Elemental tendency | General role | Own sign(s) | Exaltation sign | Debilitation sign | Moolatrikona | Color | Number |
|---|---|---|---|---|---|---|---|---|---|---|
| Sun | Natural malefic | Masculine | Fiery | Authority, vitality, soul, purpose | Leo | Aries | Libra | Leo | Deep red / copper | 1 |
| Moon | Variable benefic | Feminine | Watery | Mind, emotions, nourishment, adaptability | Cancer | Taurus | Scorpio | Taurus | White | 2 |
| Mars | Natural malefic | Masculine | Fiery | Action, courage, force, conflict | Aries, Scorpio | Capricorn | Cancer | Aries | Red | 9 |
| Mercury | Variable / adaptive | Neuter | Earthy-airy | Speech, logic, trade, analysis | Gemini, Virgo | Virgo | Pisces | Virgo | Green | 5 |
| Jupiter | Natural benefic | Masculine | Ether / expansive | Wisdom, dharma, guidance, growth | Sagittarius, Pisces | Cancer | Capricorn | Sagittarius | Yellow / gold | 3 |
| Venus | Natural benefic | Feminine | Watery-earthy | Love, harmony, art, comfort, enjoyment | Taurus, Libra | Pisces | Virgo | Libra | White | 6 |
| Saturn | Natural malefic | Neuter | Airy / dry | Delay, endurance, discipline, realism | Capricorn, Aquarius | Libra | Aries | Aquarius | Dark blue / black | 8 |
| Rahu | Shadow / disruptive | Neuter | Airy-smoky | Obsession, amplification, foreign, unconventional | Traditions vary | Taurus (tradition varies) | Scorpio (tradition varies) | Traditions vary | Smoky blue | 4 |
| Ketu | Shadow / separating | Neuter | Fiery-smoky | Detachment, release, severance, spiritualization | Traditions vary | Scorpio (tradition varies) | Taurus (tradition varies) | Traditions vary | Ash / smoky brown | 7 |
| Uranus | Modern / optional | Neuter | Airy-electric | Sudden change, rebellion, disruption | Not classical Jyotish | Not classical Jyotish | Not classical Jyotish | Not classical Jyotish | Electric blue | Optional |
| Neptune | Modern / optional | Neuter | Watery-misty | Idealism, dissolution, imagination, confusion | Not classical Jyotish | Not classical Jyotish | Not classical Jyotish | Not classical Jyotish | Sea green / blue | Optional |
| Pluto | Modern / optional | Neuter | Deep transformative | Power, rupture, depth, regeneration | Not classical Jyotish | Not classical Jyotish | Not classical Jyotish | Not classical Jyotish | Maroon / deep brown | Optional |
Planets
Planet Relationships
Natural friendship and enmity tables can differ slightly by lineage. This table keeps the standard framework visible and easy to compare.
| Planet | Friend planets | Enemy planets | Neutral planets | Friendly signs | Enemy signs | Neutral signs |
|---|---|---|---|---|---|---|
| Sun | Moon, Mars, Jupiter | Venus, Saturn | Mercury | Cancer, Aries, Sagittarius, Pisces | Taurus, Libra, Capricorn, Aquarius | Gemini, Virgo |
| Moon | Sun, Mercury | None commonly assigned | Mars, Jupiter, Venus, Saturn | Leo, Gemini, Virgo | None strongly assigned | Aries, Taurus, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces |
| Mars | Sun, Moon, Jupiter | Mercury | Venus, Saturn | Leo, Cancer, Sagittarius, Pisces | Gemini, Virgo | Taurus, Libra, Capricorn, Aquarius |
| Mercury | Sun, Venus | Moon | Mars, Jupiter, Saturn | Leo, Taurus, Libra | Cancer | Aries, Scorpio, Sagittarius, Capricorn, Aquarius, Pisces |
| Jupiter | Sun, Moon, Mars | Mercury, Venus | Saturn | Leo, Cancer, Aries, Scorpio | Gemini, Virgo, Taurus, Libra | Capricorn, Aquarius |
| Venus | Mercury, Saturn | Sun, Moon | Mars, Jupiter | Gemini, Virgo, Capricorn, Aquarius | Leo, Cancer | Aries, Scorpio, Sagittarius, Pisces |
| Saturn | Mercury, Venus | Sun, Moon | Mars, Jupiter | Gemini, Virgo, Taurus, Libra | Leo, Cancer | Aries, Scorpio, Sagittarius, Pisces |
| Rahu | Venus, Saturn, Mercury | Sun, Moon, Mars | Jupiter | Taurus, Libra, Capricorn, Aquarius, Gemini, Virgo | Leo, Cancer, Aries, Scorpio | Sagittarius, Pisces |
| Ketu | Mars, Jupiter, Saturn | Sun, Moon | Mercury, Venus | Aries, Scorpio, Sagittarius, Pisces, Capricorn, Aquarius | Leo, Cancer | Taurus, Gemini, Virgo, Libra |
| Uranus | Modern / optional | Modern / optional | Modern / optional | Not standardized | Not standardized | Not standardized |
| Neptune | Modern / optional | Modern / optional | Modern / optional | Not standardized | Not standardized | Not standardized |
| Pluto | Modern / optional | Modern / optional | Modern / optional | Not standardized | Not standardized | Not standardized |
Planets
Planet Aspects
This section keeps aspect patterns simple and study-friendly without flattening them into crude good-versus-bad labels.
| Planet | Standard aspects | Special aspects | General tendency | Notes |
|---|---|---|---|---|
| Sun | 7th | None | Activating / authoritative | — |
| Moon | 7th | None | Responsive / changeable | — |
| Mars | 7th | 4th, 8th | Activating / aggressive | — |
| Mercury | 7th | None | Analytical / adaptive | — |
| Jupiter | 7th | 5th, 9th | Supportive / expansive | — |
| Venus | 7th | None | Harmonizing / supportive | — |
| Saturn | 7th | 3rd, 10th | Delaying / restrictive | — |
| Rahu | 7th | 5th, 9th (tradition varies) | Disruptive / unusual | — |
| Ketu | 7th | 5th, 9th (tradition varies) | Separating / spiritualizing | — |
| Uranus | Modern / optional | Not classical | Disruptive / sudden | Not part of classical Jyotish aspect doctrine. |
| Neptune | Modern / optional | Not classical | Diffusive / idealizing | Not part of classical Jyotish aspect doctrine. |
| Pluto | Modern / optional | Not classical | Intense / transformative | Not part of classical Jyotish aspect doctrine. |