Landon Curt Noll is an American mathematician and computer scientist born on October 28, 1960, in Walnut Creek, California. He is best known for discovering two Mersenne prime numbers: 2^21701 - 1 and 2^23209 - 1. Noll is a member of the Amdahl-6 group and found the largest known Amdahl 6 prime. He co-invented a system for naming arbitrarily large numbers and helped establish the International Obfuscated C Code Contest. Additionally, he is an avid astronomer and coined the term 'meteor squall' to describe significant meteor showers.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 321 days away.
Place of Birth
Time Zone - America/Los_Angeles (8:0 W)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Landon
landowner, one who comes from the land
Read Full Landon Name AnalysisOctober 28, 1960 Facts
Generation Group
Landon Curt Noll belongs to the Baby Boomers group.
Place of Birth: Walnut Creek
Educated At: Linfield University | Hayward High School | California State University, East Bay
Occupation: cryptographer | mathematician | computer scientist | 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 October 28, 1960
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on October 28, 2025 | Secondary Progressions for October 28, 2025 |
|---|---|---|---|
| Sun | 5 Scorpio 24 | 5 Scorpio 39 | 11 Capricorn 11 |
| Moon | 25 Aquarius 5 | 25 Capricorn 54 | 9 Cancer 44 |
| Mercury | 23 Scorpio 55 | 29 Scorpio 21 | 8 Capricorn 45 |
| Venus | 8 Sagittarius 41 | 18 Libra 36 | 26 Aquarius 14 |
| Mars | 15 Cancer 23 | 25 Scorpio 13 | 7 Cancer 48 |
| Jupiter | 0 Capricorn 21 | 24 Cancer 51 | 14 Capricorn 10 |
| Saturn | 13 Capricorn 36 | 25 Pisces 50 | 19 Capricorn 58 |
| Uranus | 25 Leo 20 | 0 Gemini 24 | 25 Leo 23 |
| Neptune | 8 Scorpio 44 | 29 Pisces 50 | 10 Scorpio 50 |
| Pluto | 7 Virgo 40 | 1 Aquarius 24 | 7 Virgo 59 |
| Rahu | 12 Virgo 44 | 15 Pisces 33 | 9 Virgo 17 |
| Ketu | 12 Pisces 44 | 15 Virgo 33 | 9 Pisces 17 |
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.Landon Curt Noll's 2025 Transits to Natal Planets
- Mars square Sun
Exact: 01 May, 2025 - Jupiter trine Moon
Exact: 21 May, 2025 - Jupiter opposition Jupiter
Exact: 10 June, 2025 - Saturn square Jupiter
Exact: 10 June, 2025 - Mars conjunction Rahu
Exact: 10 July, 2025 - Mars opposition Ketu
Exact: 10 July, 2025 - Jupiter opposition Saturn
Exact: 09 August, 2025 - Jupiter trine Ketu
Exact: 09 August, 2025 - Jupiter conjunction Mars
Exact: 19 August, 2025 - Mars square Saturn
Exact: 29 August, 2025 - Jupiter trine Mercury
Exact: 18 October, 2025 - Mars square Moon
Exact: 28 October, 2025 - Mars conjunction Venus
Exact: 17 November, 2025
