Create Your Composite Chart
Professional astrology charts with NASA-grade accuracy. Simple, playful and beautifully detailed.
Understanding Composite Charts
Unified Relationship Chart
Create a single chart using midpoints between two birth charts.
Relationship as an Entity
See the unique cosmic blueprint of your relationship itself.
Interactive Composite Analysis
Click planets to explore the essence and purpose of your connection.
Our Growing Tools Library
Professional Grade - Powered by Swiss Ephemeris
Customizable House Systems
Advanced Arabic Parts & Asteroids
All-in-One Dashboard
How Composite Charts Work
Create your unified relationship chart in three simple steps. Our composite chart calculator merges two birth charts using planetary midpoints to reveal your relationship's cosmic blueprint.
Enter Both Birth Details
Provide birth data for both partners - date, time, and location. Accurate birth times enable precise midpoint calculations for your composite chart.
Calculate Midpoints
Our composite chart calculator finds the midpoint between each planet pair, creating a single unified chart that represents your relationship as an entity.
Explore Your Relationship Chart
Click any planet to see its house placement and aspects. Your composite chart reveals the purpose, dynamics, and potential of your relationship itself.
Ready to discover your relationship's chart?
Questions
and Answers
A composite chart creates a single unified chart representing the relationship itself. It's calculated by finding the midpoint between each planet pair in two birth charts, creating a unique cosmic blueprint of the relationship as an entity.
Synastry overlays two charts to show how two people interact. A composite chart merges them into one, showing the relationship's own identity, purpose, and dynamics - as if the relationship itself had a birth chart.
Our composite chart calculator uses Swiss Ephemeris with NASA-grade accuracy. We calculate precise midpoints for all planets and use spherical geometry for geographic midpoint location.
We use the geographic midpoint between both birth places for house calculations, treating it as the relationship's 'birthplace'. The composite MC is derived from the midpoint of both natal MCs.
Yes! Generate unlimited composite charts for free. No signup required. Explore your relationship's cosmic blueprint with professional-grade accuracy.
Use synastry to understand how you and your partner interact and affect each other. Use the composite chart to understand the relationship itself - its purpose, challenges, and the energy you create together.
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Professional astrology charts with NASA-grade accuracy. Simple, playful and beautifully detailed.