What Is Astrocartography? A Complete Guide to Relocation Astrology

Before Jim Lewis systematized the technique in the mid-1970s, astrologers had explored relocational charts—re-casting a natal chart for a different place—since at least the early 20th century. The German astrologer Donald Bradley (writing as Garth Allen) published early work on relocated charts in the 1950s, and Cyril Fagan discussed the topic in his sidereal research.

But it was Jim Lewis who made the technique visual and accessible. Working from a background in both astrology and geography, Lewis developed software to plot planetary angular lines across a world map. He published "Astrocartography: The Book of Maps" in 1976 and spent decades refining the methodology. Lewis coined the term and trademarked the process, making it one of the few proprietary systems in modern Western astrology.

After Lewis's death in 1995, his student Robert Hand (author of Planets in Transit) and other astrologers continued developing the system. The related technique of Local Space Astrology (projecting planets along compass bearings from a birth location) was developed simultaneously by Michael Erlewine and often appears alongside astrocartography in modern software.

Today, the technique is incorporated into most professional astrology software platforms and has moved from a specialist tool to a mainstream offering—partly because it is so immediately understandable to non-astrologers: you see a map, you see lines, you pick where to go.

Each planet in your birth chart creates four lines on the astrocartography map—one for each of the four angular houses (1st, 4th, 7th, and 10th). These are the most powerful positions a planet can occupy in any chart. Technically, each line traces where that planet would have been exactly on that angle at the moment of your birth.

Ascendant (AC) lines run roughly north-south and mark where a planet was rising on the eastern horizon. AC lines affect identity, physical appearance, and how you present yourself to the world. Planets here tend to be visible, prominent, and often overwhelming in their expression.

Descendant (DC) lines are directly opposite the AC lines and represent the western horizon where planets set. These govern partnerships, relationships, and open enemies. A Venus/DC line is classically associated with romantic partnerships; a Saturn/DC line may bring serious or demanding partners.

Midheaven (MC) lines curve across the map and show where a planet was at the top of the sky (culminating). They govern career, public reputation, and ambition. A Jupiter/MC line in a city often correlates with professional expansion and public recognition.

Imum Coeli (IC) lines are opposite the MC and relate to home, roots, family, and psychological foundation. A Moon/IC line may feel like "home" in the deepest sense—emotionally nourishing and personally grounding.

Additionally, paran lines (horizontal lines at specific latitudes) show where two planets cross at the same moment—creating powerful combined energies at particular latitudes worldwide.

Each planet carries its natal symbolism into the locational context. Here is a concise guide to the major lines:

Sun lines (AC/MC): Strong self-expression, leadership, visibility, and vitality. Great for career advancement and becoming known. Can feel ego-inflating if you spend too long there.

Moon lines: Emotional depth, connection to community, domestic themes, and intuition. Moon/IC is particularly associated with feeling at home and connecting with family or local culture.

Mercury lines: Communication, writing, local networking, learning, and travel logistics. Journalists and teachers often find Mercury/MC lines professionally rewarding.

Venus lines: Romance, beauty, art, pleasure, and social ease. One of the most sought-after lines for relocation—Venus/AC or Venus/DC is associated with attractiveness and ease in relationships.

Mars lines: Energy, drive, conflict, and physical exertion. Short visits can be energizing; long stays can become combative or accident-prone, especially Mars/AC.

Jupiter lines: Expansion, opportunity, generosity, and luck. Often called the "best" lines—but Jupiter can also bring excess, weight gain, and overconfidence. Jupiter/MC is one of the most career-favorable positions.

Saturn lines: Discipline, hard work, restriction, and karmic lessons. Saturn lines are difficult to live on long-term but can produce extraordinary professional achievement if you're willing to do the work. Saturn/IC can feel lonely or isolating.

Uranus lines: Disruption, innovation, sudden change, freedom, and eccentricity. Exciting for short stays; unstable for long-term residency.

Neptune lines: Spirituality, creativity, dissolution, illusion, and escapism. Artists and spiritual seekers may find inspiration; others experience confusion or disorientation.

Pluto lines: Transformation, power, intensity, and upheaval. Pluto lines tend to be the most transformative—and the most exhausting—places to live.

The most common use case is evaluating a potential relocation. Before moving to a new city, overlay your astrocartography map and check which lines run through or near it. A Jupiter/MC line through a city where you're considering a job offer is an encouraging sign. A Pluto/AC line through a place you're moving for "a fresh start" suggests the experience may be more transformative—and turbulent—than anticipated.

For travel, shorter trips on difficult lines (Mars, Saturn, Pluto) are often less problematic than long-term residency. Many astrologers consider a 2-degree orb from a line to be meaningful—roughly 100-200 miles depending on latitude.

The relocated chart is a companion tool: re-cast your natal chart with your current city as the "birth" location. This shows which houses your natal planets fall into given your new location—a planet that was in your 8th house natally may move into your 10th when you relocate, dramatically shifting its expression.

Parans deserve particular attention in advanced work. Because paran lines run horizontally across specific latitudes, they affect entire bands of the globe. If your Venus paran with Jupiter runs through the latitude of Paris, London, AND New York, all three cities carry that combined energy regardless of whether a direct angular line passes through them.

Practical advice from experienced practitioners: use astrocartography as one factor among many, not as the sole determinant of a move. Real estate markets, job availability, family ties, and visa requirements matter more than any astrological line.

Astrocartography is powerful but widely misunderstood. Several limitations deserve honest acknowledgment:

Not all "good" lines feel comfortable. Jupiter lines can produce overindulgence, legal troubles, or unrealistic expectations. Venus lines can amplify vanity or bring shallow relationships. Even the "benefic" planets have shadow expressions, especially at challenging angles.

The birth time must be accurate. Astrocartography lines are extremely sensitive to birth time because they depend on exact planetary degrees at the moment of birth. A 4-minute error in birth time shifts AC and MC lines by approximately one degree of longitude—potentially 60-100 miles. If your birth time is uncertain, the AC and DC lines in particular should be treated cautiously.

Natally difficult planets don't become easy on good lines. A person with a heavily afflicted Mars in their natal chart will still express that Mars energy on a Mars/AC line—just more loudly. The line amplifies what's already there; it doesn't replace it.

You carry your natal chart everywhere. Astrocartography modifies the expression of your chart; it doesn't overwrite it. Someone with natal Saturn square their Sun will still experience Saturnine themes regardless of location.

Cultural, economic, and social factors are primary. The most Venus-positive line in the world won't guarantee romance in a country where you don't share language or culture with anyone. Astrocartography works within the constraints of material reality.