Citizen Science Study · n = 7,275

Do Your Stars Match
Your Personality?

Exploring associations between astronomical birth positions and self-reported Big Five personality traits via IAU constellation boundaries.

Wolfram Data Drop Archive · 2018
Live Data · 7,275 respondents

Data Explorer

Select a planet and toggle personality traits to see how they vary by astronomical constellation. The dashed line marks overall prevalence for each trait.

7,275 Participants
43.5% Extroverted
62.7% Agreeable
60.8% Conscientious
44.0% Neurotic
68.9% Open
Planet: Sun Showing: all traits Constellations: 13

Dashed baselines — E: 43.5% · A: 62.7% · C: 60.8% · N: 44.0% · O: 68.9%

Celebrity Personality Quiz · n = 1,006

How Well Do People Recognise Traits?

Participants were shown celebrity descriptions and asked to identify which Big Five trait was most prominent. Accuracy by trait:

Extroversion
64.6%
650 / 1,006
Agreeableness
60.5%
609 / 1,006
Conscientiousness
58.3%
586 / 1,006
Neuroticism
57.1%
574 / 1,006
Openness
68.6%
690 / 1,006
Contribute Your Data

Submit Your Birth Chart

Enter your birth details below. Your planet positions in the IAU constellations will be calculated automatically, then paired with your self-reported personality profile.

Your Astronomical Birth Chart (IAU Constellations)

Positions calculated using geocentric equatorial coordinates (J2000 epoch) mapped to IAU constellation boundaries via the astronomy-engine library.

Personality Self-Assessment

Check all traits that genuinely describe you, based on how you typically feel and behave:

✦ Thank you — your data has been recorded. ✦