Stellium Calculator
Determine if you have a stellium in your birth chart by analyzing the number of planets in a single zodiac sign or house.
Published by:
isCalculator Editorial Team
Was this calculator helpful?
How to use this tool?
This calculator checks if you have a stellium (3 or more planets in the same zodiac sign or house).
- Enter planet names (e.g., Sun, Moon, Mercury) in the left column.
- Enter their sign or house (e.g., Aries, Taurus, 1st House) in the right column.
- Fill in at least 3 planet-sign pairs (rows 1–3). Extra rows (4–10) are optional.
- Click "Calculate Stellium".
- The result shows whether a stellium exists, which sign/house, and how many planets are in it.
Note: Inputs are case-insensitive. Leave unused rows blank. The calculator counts exact matches (e.g., "Aries" and "aries" are the same).
Previous Results
| Result | Inputs | Date |
|---|
Frequently Asked Questions
A stellium is an astrological term for a cluster of three or more planets in the same zodiac sign or house. It indicates a strong concentration of energy in that area.
You can enter up to 10 planets. The calculator requires at least 3 planets with signs to determine a stellium.
Enter as many as you know. The calculator will still work, but for accuracy, include all personal planets (Sun, Moon, Mercury, Venus, Mars) and outer planets if possible.