Mark Robert Showalter is a senior research scientist at the SETI Institute, known for discovering six natural satellites and three planetary rings. He serves as the principal investigator for NASA's Planetary Data System Rings Node and was a co-investigator for the Cassini-Huygens mission to Saturn. Additionally, he is closely involved with the New Horizons mission to Pluto, contributing significantly to planetary science and exploration.
Zodiac Sign (Western)
Sunsign, Tropical Zodiac
Zodiac Sign (Vedic)
Moonsign, Sidereal Zodiac
Age (Today)
Your next birthday is 325 days away.
Place of Birth
Time Zone -
Chinese Zodiac Sign
Birth Number
Life Path Number
Name Number (Chaldean)
Name Number (Pythagorean)
Meaning of the name - Mark
warrior, Mars, the god of war
Read Full Mark Name AnalysisDecember 5, 1957 Facts
Generation Group
Mark Robert Showalter belongs to the Baby Boomers group.
Place of Birth: Abington Township
Educated At: Oberlin College | Cornell University
Occupation: researcher | astronomer
Employers: SETI Institute
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 December 5, 1957
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on December 5, 2025 | Secondary Progressions for December 5, 2025 |
|---|---|---|---|
| Sun | 13 Sagittarius 18 | 13 Sagittarius 49 | 22 Aquarius 28 |
| Moon | 24 Taurus 40 | 24 Gemini 18 | 1 Sagittarius 30 |
| Mercury | 3 Capricorn 59 | 23 Scorpio 25 | 7 Aquarius 51 |
| Venus | 29 Capricorn 12 | 6 Sagittarius 7 | 1 Aquarius 34 |
| Mars | 18 Scorpio 6 | 22 Sagittarius 48 | 5 Capricorn 40 |
| Jupiter | 24 Libra 26 | 24 Cancer 13 | 1 Scorpio 29 |
| Saturn | 16 Sagittarius 44 | 25 Pisces 7 | 23 Sagittarius 55 |
| Uranus | 11 Leo 32 | 28 Taurus 52 | 9 Leo 5 |
| Neptune | 3 Scorpio 46 | 29 Pisces 22 | 4 Scorpio 45 |
| Pluto | 2 Virgo 19 | 2 Aquarius 0 | 1 Virgo 16 |
| Rahu | 8 Scorpio 46 | 13 Pisces 33 | 5 Scorpio 10 |
| Ketu | 8 Taurus 46 | 13 Virgo 33 | 5 Taurus 10 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
Astrology Transits Analysis for Year 2026
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Mark Robert Showalter's 2026 Transits to Natal Planets
- Saturn sextile Moon
Exact: 01 January, 2026 - Mars conjunction Venus
Exact: 21 January, 2026 - Jupiter trine Mars
Exact: 21 January, 2026 - Saturn square Mercury
Exact: 22 March, 2026 - Mars aspects Jupiter
Exact: 01 April, 2026 - Mars aspects Rahu
Exact: 21 April, 2026 - Jupiter trine Mars
Exact: 01 May, 2026 - Mars opposition Jupiter
Exact: 11 May, 2026 - Mars conjunction Ketu
Exact: 31 May, 2026 - Mars opposition Rahu
Exact: 31 May, 2026 - Mars aspects Saturn
Exact: 10 June, 2026 - Mars conjunction Moon
Exact: 20 June, 2026 - Jupiter opposition Venus
Exact: 30 June, 2026 - Mars aspects Venus
Exact: 09 August, 2026 - Jupiter trine Sun
Exact: 29 August, 2026 - Mars square Jupiter
Exact: 18 September, 2026 - Jupiter trine Saturn
Exact: 18 September, 2026 - Mars opposition Venus
Exact: 28 September, 2026
