Alan S. Perelson is an American biophysicist known for his work in theoretical immunology and the mathematical analysis of the immune system. He earned a Bachelor's degree in biology and electrical engineering from MIT in 1967 and completed his Ph.D. in biophysics at UC Berkeley in 1972. His career includes positions at Los Alamos National Laboratory, Brown University, and several adjunct professorships. Perelson has received multiple prestigious awards, such as the Max Delbruck Prize and is a member of the American Academy of Arts and Sciences.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 296 days away.
Place of Birth
Time Zone - America/New_York (5:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Alan
handsome, cheerful
Read Full Alan Name AnalysisApril 11, 1947 Facts
Generation Group
Alan S. Perelson belongs to the Baby Boomers group.
Place of Birth: Brooklyn
Educated At: University of California, Berkeley | Massachusetts Institute of Technology
Occupation: biophysicist | university teacher | biologist
Employers: Los Alamos National Laboratory | Boston University | University of Rochester
Awards Received: Fellow of the Society for Industrial and Applied Mathematics | Max Delbruck 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 April 11, 1947
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on April 11, 2025 | Secondary Progressions for April 11, 2025 |
---|---|---|---|
Sun | 20 Aries 58 | 22 Aries 3 | 6 Cancer 9 |
Moon | 0 Capricorn 16 | 7 Libra 43 | 13 Scorpio 53 |
Mercury | 24 Pisces 5 | 27 Pisces 37 | 26 Cancer 51 |
Venus | 13 Pisces 59 | 24 Pisces 40 | 18 Gemini 0 |
Mars | 29 Pisces 49 | 27 Cancer 25 | 28 Taurus 16 |
Jupiter | 26 Scorpio 12 | 17 Gemini 44 | 18 Scorpio 0 |
Saturn | 2 Leo 28 | 25 Pisces 40 | 8 Leo 7 |
Uranus | 18 Gemini 39 | 25 Taurus 17 | 22 Gemini 49 |
Neptune | 9 Libra 7 | 0 Aries 27 | 8 Libra 3 |
Pluto | 11 Leo 0 | 3 Aquarius 41 | 11 Leo 52 |
Rahu | 4 Gemini 49 | 26 Pisces 9 | 0 Gemini 41 |
Ketu | 4 Sagittarius 49 | 26 Virgo 9 | 0 Sagittarius 41 |
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.Alan S. Perelson's 2025 Transits to Natal Planets
- Saturn conjunction Venus
Exact: 01 January, 2025 - Rahu conjunction Mars
Exact: 21 January, 2025 - Saturn conjunction Mercury
Exact: 01 April, 2025 - Rahu conjunction Mercury
Exact: 11 May, 2025 - Saturn conjunction Mars
Exact: 31 May, 2025 - Mars square Jupiter
Exact: 10 June, 2025 - Jupiter opposition Moon
Exact: 10 June, 2025 - Saturn square Moon
Exact: 10 June, 2025 - Mars opposition Venus
Exact: 10 July, 2025 - Jupiter trine Venus
Exact: 09 August, 2025 - Saturn conjunction Mars
Exact: 19 August, 2025 - Mars opposition Sun
Exact: 08 September, 2025 - Mars aspects Rahu
Exact: 28 September, 2025 - Rahu conjunction Venus
Exact: 17 November, 2025 - Jupiter trine Mercury
Exact: 27 November, 2025 - Saturn conjunction Mercury
Exact: 27 November, 2025 - Mars square Mercury
Exact: 07 December, 2025 - Mars aspects Saturn
Exact: 17 December, 2025