Johannes Alphonsus Marie 'Johan' Bleeker, born on July 20, 1942, is a prominent Dutch scientist specializing in space research and technology. He held the position of director at the Netherlands Institute for Space Research from 1983 to 2003. Johan was significantly involved in the establishment of long-term space science initiatives, specifically the Horizon 2000 and Horizon 2000+ programs under the European Space Agency. His contributions have been influential in advancing space science and exploration in Europe.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 353 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
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Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Johan
God is gracious
Read Full Johan Name AnalysisJuly 20, 1942 Facts
Generation Group
Johan Bleeker belongs to the Silent Generation group.
Educated At: Delft University of Technology | Leiden University
Occupation: university teacher | astrophysicist
Employers: Utrecht University
Awards Received: Commander of the Order of the Netherlands Lion
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 20, 1942
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on July 20, 2025 | Secondary Progressions for July 20, 2025 |
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Sun | 27 Cancer 19 | 28 Cancer 14 | 17 Libra 45 |
Moon | 20 Libra 51 | 3 Gemini 54 | 7 Scorpio 44 |
Mercury | 12 Cancer 55 | 15 Leo 19 | 16 Libra 20 |
Venus | 26 Gemini 57 | 18 Gemini 0 | 8 Libra 38 |
Mars | 22 Leo 42 | 19 Virgo 25 | 15 Libra 53 |
Jupiter | 8 Cancer 59 | 9 Cancer 16 | 23 Cancer 27 |
Saturn | 9 Gemini 7 | 1 Aries 46 | 12 Gemini 34 |
Uranus | 3 Gemini 31 | 0 Gemini 34 | 4 Gemini 11 |
Neptune | 27 Virgo 35 | 2 Aries 6 | 0 Libra 19 |
Pluto | 5 Leo 8 | 2 Aquarius 41 | 7 Leo 5 |
Rahu | 6 Virgo 12 | 20 Pisces 52 | 1 Virgo 49 |
Ketu | 6 Pisces 12 | 20 Virgo 52 | 1 Pisces 49 |
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.Johan Bleeker's 2025 Transits to Natal Planets
- Mars conjunction Sun
Exact: 11 January, 2025 - Mars square Moon
Exact: 22 March, 2025 - Mars conjunction Sun
Exact: 11 April, 2025 - Mars aspects Ketu
Exact: 01 May, 2025 - Jupiter trine Moon
Exact: 01 May, 2025 - Jupiter conjunction Venus
Exact: 31 May, 2025 - Mars conjunction Rahu
Exact: 30 June, 2025 - Mars opposition Ketu
Exact: 30 June, 2025 - Jupiter trine Ketu
Exact: 10 July, 2025 - Jupiter conjunction Jupiter
Exact: 20 July, 2025 - Jupiter conjunction Mercury
Exact: 09 August, 2025 - Mars conjunction Moon
Exact: 08 September, 2025 - Mars opposition Saturn
Exact: 17 November, 2025 - Mars aspects Jupiter
Exact: 17 November, 2025