Michel Hénon was a French mathematician and astronomer born on July 23, 1931, in Paris and died on April 6, 2013, in Nice. He conducted research at the Observatoire de la Côte d’Azur in Nice. Hénon is known for the Hénon map, a discrete dynamical system exhibiting chaotic behavior. He co-developed the Hénon-Heiles model with Carl E. Heiles in 1964. His work also included contributions to the three-body problem and the dynamics of star clusters, particularly globular clusters, simulated using the Monte Carlo method. In 1978, he received the Prix Jean Ricard.
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Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 341 days away.
Death Anniversary
Next death anniversary is 131 days away.
Death Date
Place of Birth
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Meaning of the name - Michel
Who is like God, one who is like God
Read Full Michel Name AnalysisJuly 23, 1931 Facts
Generation Group
Michel Hénon belongs to the Silent Generation group.
Place of Birth: 14th arrondissement of Paris
Place of Death: Contes
Educated At: École Normale Supérieure
Occupation: mathematician | astronomer
Employers: Institut d'astrophysique de Paris | Nice Observatory | National Center for Scientific Research, France
Awards Received: Jean-Ricard Prize
Astrology Analysis
Note: This birth chart is calculated using the date and place of birth, with the time set to noon (12:00 PM) local time. While this provides accurate planetary positions for most celestial bodies, the Ascendant (Rising Sign) and house cusps are not calculated since they require precise birth time. For a complete astrological analysis including houses and rising sign, please provide the exact birth time.
Ephemeris for July 23, 1931
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on July 23, 2025 | Secondary Progressions for July 23, 2025 |
|---|---|---|---|
| Sun | 29 Cancer 52 | 1 Leo 5 | 1 Scorpio 19 |
| Moon | 19 Scorpio 3 | 16 Cancer 48 | 22 Aries 2 |
| Mercury | 22 Leo 22 | 14 Leo 21 | 5 Scorpio 55 |
| Venus | 17 Cancer 11 | 21 Gemini 25 | 13 Scorpio 48 |
| Mars | 24 Virgo 32 | 21 Virgo 14 | 26 Scorpio 33 |
| Jupiter | 1 Leo 15 | 9 Cancer 55 | 19 Leo 21 |
| Saturn | 19 Capricorn 28 | 1 Aries 43 | 17 Capricorn 50 |
| Uranus | 19 Aries 22 | 0 Gemini 40 | 16 Aries 48 |
| Neptune | 4 Virgo 13 | 2 Aries 4 | 7 Virgo 24 |
| Pluto | 20 Cancer 41 | 2 Aquarius 37 | 22 Cancer 10 |
| Rahu | 8 Aries 49 | 20 Pisces 42 | 3 Aries 50 |
| Ketu | 8 Libra 49 | 20 Virgo 42 | 3 Libra 50 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
