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The sky on August 22, 1985 — as it really was

That day the Sun stood in Leo — sign and constellation agree here.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♀–♄ 118.8°♂–☽ 92.1° ♀︎23° ☿︎13° ♂︎18° ☉︎29° ☽︎20° ♄︎22° ♃︎9°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 149.3° · sign Leo · constellation Leo
  • ☽︎ Moon — 230.2° · sign Scorpio · constellation Libra
  • ☿︎ Mercury — 133.4° · sign Leo · constellation Cancer
  • ♀︎ Venus — 113.3° · sign Cancer · constellation Gemini
  • ♂︎ Mars — 138.2° · sign Leo · constellation Leo
  • ♃︎ Jupiter — 309.8° · sign Aquarius · constellation Capricornus
  • ♄︎ Saturn — 232.1° · sign Scorpio · constellation Libra
  • ☽︎ Moon 42% 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]

    first quarter, 42% lit; the Moon was 369,498 km away.

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

    41.1 orbits of the Sun — 38,642 million km, that is 50,263 return trips to the Moon; 15,018 rotations of Earth; with the Sun — 298.4 billion km around the Galactic centre, 11.5 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 394 million km away; today it is 245 million km (closer by 1.6×).

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

    That day fell in solar cycle 21, on the decline (90% through the cycle).

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

    Mars returns to that day’s point of its orbit on January 8, 2027; Jupiter — in 2032; a full moon exactly on this date — August 22, 2040

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

    The vernal point has shifted 2,052″ since that day; the real constellations now sit 23.7° away from the astrologers’ “signs”.

    precession 50.29″/yr

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