Jacques Vallée is a French astronomer, computer scientist, astrophysicist, engineer, ufologist, author, and science fiction writer born in 1939. He is known for his work in various fields including his contributions to the study of UFOs and his insights into the nature of extraterrestrial experiences. Vallée's multidisciplinary background combines scientific inquiry with an interest in the unknown, making him a notable figure in both scientific and speculative domains.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 52 days away.
Place of Birth
Time Zone - Europe/Paris (1:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Jacques
supplanter, he who supplants
Read Full Jacques Name AnalysisSeptember 24, 1939 Facts
Generation Group
Jacques Vallée belongs to the Silent Generation group.
Place of Birth: Pontoise
Educated At: University of Lille | Northwestern University | University of Paris | University of Texas at Austin
Occupation: ufologist | science fiction writer | astrophysicist | investor | mathematician | computer scientist | engineer | businessperson | writer | astronomer
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 September 24, 1939
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on September 24, 2024 | Secondary Progressions for September 24, 2024 |
---|---|---|---|
Sun | 0 Libra 29 | 1 Libra 53 | 25 Sagittarius 37 |
Moon | 15 Aquarius 15 | 27 Gemini 52 | 21 Pisces 8 |
Mercury | 2 Libra 3 | 26 Virgo 33 | 4 Sagittarius 22 |
Venus | 5 Libra 30 | 1 Scorpio 39 | 21 Capricorn 29 |
Mars | 0 Aquarius 9 | 11 Cancer 21 | 18 Pisces 50 |
Jupiter | 4 Aries 8 | 20 Gemini 58 | 29 Pisces 45 |
Saturn | 0 Taurus 1 | 14 Pisces 43 | 24 Aries 39 |
Uranus | 21 Taurus 41 | 27 Taurus 3 | 18 Taurus 38 |
Neptune | 23 Virgo 21 | 28 Pisces 24 | 25 Virgo 29 |
Pluto | 2 Leo 34 | 29 Capricorn 42 | 2 Leo 30 |
Rahu | 0 Scorpio 46 | 6 Aries 42 | 26 Libra 16 |
Ketu | 0 Taurus 46 | 6 Libra 42 | 26 Aries 16 |
Chandra Kundali (Equal House, North Indian Diamond Chart)

Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Jacques Vallée's 2025 Transits to Natal Planets
- Mars opposition Mars
Exact: 01 January, 2025 - Mars square Rahu
Exact: 01 January, 2025 - Ketu conjunction Sun
Exact: 01 January, 2025 - Jupiter trine Moon
Exact: 01 April, 2025 - Mars opposition Mars
Exact: 21 April, 2025 - Mars square Rahu
Exact: 21 April, 2025 - Mars opposition Moon
Exact: 21 May, 2025 - Saturn opposition Mercury
Exact: 10 July, 2025 - Mars conjunction Sun
Exact: 09 August, 2025 - Mars conjunction Mercury
Exact: 09 August, 2025 - Mars aspects Ketu
Exact: 09 August, 2025 - Saturn opposition Sun
Exact: 09 August, 2025