Composite Charts | Thoughts and Insights

If you’d like to more about this topic then I invite you to join my drop-in study group to practice reading charts and developing your astrology language skills. Being able to synthesize your chart is key to the understanding your soul's purpose. That is what we will be primarily focusing on along with a topic and Q&A each month.


A composite chart in astrology is a method used to analyze the dynamics of a relationship by combining the natal charts of two individuals into a single chart. This chart represents the relationship itself as a separate entity, reflecting its character, strengths, challenges, and overall potential. It is particularly useful for understanding the core purpose and nature of the partnership.

Key Elements of a Composite Chart

  1. Midpoints:

    • The composite chart is created by calculating the midpoints between the same planets and points (e.g., Sun, Moon, Ascendant) in each person's natal chart. For instance, the composite Sun is the midpoint between the two individual Suns.

  2. Composite Planets:

    • Each composite planet represents a blend of both individuals' energies. For example, the composite Moon reflects the emotional nature of the relationship.

  3. Composite Houses:

    • The house placements in a composite chart indicate the areas of life most affected by the relationship. These houses show where the couple’s shared energy is focused.

  4. Composite Aspects:

    • The aspects between planets in the composite chart indicate how the energies within the relationship interact and manifest. Harmonious aspects suggest ease and flow, while challenging aspects point to potential difficulties.

Interpretation of a Composite Chart

  1. Composite Sun:

    • Represents the core identity and purpose of the relationship. It shows what the relationship is fundamentally about and the central themes around which it revolves.

  2. Composite Moon:

    • Indicates the emotional tone and security within the relationship. It reflects how the couple nurtures and supports each other emotionally.

  3. Composite Ascendant:

    • Represents the outward appearance and public face of the relationship. It shows how the relationship is perceived by others and how the couple presents themselves as a unit.

  4. Composite Venus and Mars:

    • Composite Venus shows the love, affection, and aesthetic appreciation within the relationship. Composite Mars reflects the couple's shared drive, passion, and approach to conflict.

  5. Composite Mercury:

    • Indicates communication, intellectual connection, and shared thought processes. It shows how the couple communicates and processes information together.

  6. Composite Jupiter and Saturn:

    • Composite Jupiter represents the growth, optimism, and areas of expansion within the relationship. Composite Saturn indicates structure, responsibility, and potential limitations or challenges.

Steps to Create a Composite Chart

  1. Obtain Birth Information:

    • Gather the birth dates, times, and places of both individuals.

  2. Calculate Midpoints:

    • Find the midpoint for each pair of corresponding planets and points in the two natal charts. This can be done manually or using astrology software.

  3. Create the Composite Chart:

    • Plot the midpoints on a chart to create the composite chart, showing the combined planetary positions and house placements.

  4. Interpret the Chart:

    • Analyze the composite planets, houses, and aspects to understand the relationship's dynamics, strengths, and challenges.

Using a Composite Chart for Relationship Insights

  • Core Themes: Understand the primary focus and purpose of the relationship.

  • Emotional Dynamics: Gain insight into how the relationship provides emotional support and security.

  • Communication Style: Learn about the couple’s communication patterns and intellectual connection.

  • Shared Goals: Identify common aspirations and areas of growth.

  • Challenges: Recognize potential obstacles and areas that require work and compromise.

By analyzing a composite chart, individuals can gain a deeper understanding of their relationship's unique qualities and dynamics, helping them navigate their partnership more effectively.

Lisa-Marie Kiss