Stefan Köllner is a German modern pentathlete born on September 11, 1984, in Potsdam. He is a sports soldier and a student of sports science, representing OSC Potsdam. Köllner achieved significant success in junior competitions, winning bronze in the 2004 World Championships and the 2005 German Junior Championship. As a senior competitor, notable highlights include a gold medal at the 2010 European Championships and a silver medal at the 2012 World Championships. He also qualified for the 2012 Summer Olympics, finishing 26th.
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 - Europe/Berlin (2:0 E)
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Stefan
crown, wreath
Read Full Stefan Name AnalysisSeptember 11, 1984 Facts
Generation Group
Stefan Köllner belongs to the Millennials group.
Place of Birth: Potsdam
Educated At: Sportwissenschaft
Occupation: pentathlete | modern pentathlete
Employers: OSC Potsdam
Awards Received: Bronze Medal World Championships 2004 | German Junior Champion 2005 | Gold Medal European Championships 2010 | Silver Medal World Championships 2012
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 11, 1984
Note: Moon position is location and time sensitive.Planet | Position (Tropical, Western) | Transits on September 11, 2025 | Secondary Progressions for September 11, 2025 |
---|---|---|---|
Sun | 18 Virgo 51 | 18 Virgo 55 | 29 Libra 11 |
Moon | 1 Aries 7 | 8 Taurus 17 | 29 Virgo 40 |
Mercury | 1 Virgo 23 | 17 Virgo 4 | 6 Scorpio 56 |
Venus | 12 Libra 32 | 20 Leo 8 | 2 Sagittarius 39 |
Mars | 14 Sagittarius 16 | 22 Libra 44 | 12 Capricorn 5 |
Jupiter | 3 Capricorn 16 | 19 Cancer 40 | 7 Capricorn 15 |
Saturn | 12 Scorpio 47 | 29 Pisces 8 | 17 Scorpio 0 |
Uranus | 9 Sagittarius 49 | 1 Gemini 28 | 11 Sagittarius 17 |
Neptune | 28 Sagittarius 39 | 1 Aries 4 | 29 Sagittarius 8 |
Pluto | 0 Scorpio 25 | 1 Aquarius 36 | 1 Scorpio 57 |
Rahu | 1 Gemini 3 | 18 Pisces 4 | 28 Taurus 53 |
Ketu | 1 Sagittarius 3 | 18 Virgo 4 | 28 Scorpio 53 |
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.Stefan Köllner's 2025 Transits to Natal Planets
- Saturn square Mars
Exact: 01 January, 2025 - Rahu conjunction Moon
Exact: 01 January, 2025 - Jupiter trine Venus
Exact: 01 January, 2025 - Saturn opposition Sun
Exact: 20 February, 2025 - Jupiter trine Venus
Exact: 02 March, 2025 - Jupiter opposition Mars
Exact: 22 March, 2025 - Mars conjunction Mercury
Exact: 20 June, 2025 - Mars square Ketu
Exact: 20 June, 2025 - Mars aspects Moon
Exact: 20 June, 2025 - Saturn conjunction Moon
Exact: 20 June, 2025 - Saturn sextile Rahu
Exact: 20 June, 2025 - Mars conjunction Sun
Exact: 20 July, 2025 - Mars opposition Moon
Exact: 09 August, 2025 - Jupiter trine Saturn
Exact: 09 August, 2025 - Ketu conjunction Sun
Exact: 19 August, 2025 - Mars square Moon
Exact: 17 December, 2025