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The sky on June 18, 1997 — as it really was

That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 23.8° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♄–☿ 59.7°♄–♀ 88.7°☉–♂ 92.3°♂–☽ 58.3° ♄︎18° ☿︎18° ☉︎27° ♀︎17° ♂︎29° ☽︎27° ♃︎21°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 87.3° · sign Gemini · constellation Taurus
  • ☽︎ Moon — 238.0° · sign Scorpio · constellation Libra
  • ☿︎ Mercury — 78.4° · sign Gemini · constellation Taurus
  • ♀︎ Venus — 107.5° · sign Cancer · constellation Gemini
  • ♂︎ Mars — 179.6° · sign Virgo · constellation Virgo
  • ♃︎ Jupiter — 321.8° · sign Aquarius · constellation Capricornus
  • ♄︎ Saturn — 18.7° · sign Aries · constellation Pisces
  • ☽︎ Moon 93% illuminated

astronomy-engine ephemerides (VSOP87/ELP), IAU 1930 constellation boundaries. Positions accurate to a fraction of a degree.

The day’s dossier, from real data

Checkable facts with a tag and a source; the classical reading is in the chart.

  1. The Moon that day [EXACT]

    waxing gibbous, 93% lit; the Moon was 383,354 km away.

    astronomy-engine
  2. How far Earth has travelled since [EXACT]

    29.3 orbits of the Sun — 27,532 million km, that is 35,812 return trips to the Moon; 10,700 rotations of Earth; with the Sun — 212.6 billion km around the Galactic centre, 8.2 light-days.

    29.78 km/s along the orbit; 230 km/s around the Galactic centre
  3. Mars then and now [EXACT]

    On that day Mars was 174 million km away; today it is 245 million km (farther by 1.4×).

    astronomy-engine; checked against JPL Horizons for 2026-09-14
  4. Solar cycle [ESTIMATE]

    That day fell in solar cycle 23, right at the minimum (7% through the cycle).

    SILSO smoothed minima
  5. When the sky repeats [EXACT]

    Mars returns to that day’s point of its orbit on July 23, 2027; Jupiter — in 2033; a full moon exactly on this date — June 18, 2065

    sidereal periods: Mars 686.98 d, Jupiter 11.862 yr
  6. How far the sky has drifted since [EXACT]

    The vernal point has shifted 1,476″ since that day; the real constellations now sit 23.8° away from the astrologers’ “signs”.

    precession 50.29″/yr
  7. Picture of the day [EXACT]

    NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap970618.html

    NASA APOD

Other dates

1997-06-17 1997-06-19 everyone born June 18
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