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The sky on October 21, 2022 — as it really was

That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 24.2° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♂–♀ 122.7°☿–♄ 122.6° ♃︎0° ♂︎25° ☽︎10° ☿︎15° ♀︎27° ☉︎28° ♄︎18°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 208.1° · sign Libra · constellation Virgo
  • ☽︎ Moon — 160.1° · sign Virgo · constellation Leo
  • ☿︎ Mercury — 196.0° · sign Libra · constellation Virgo
  • ♀︎ Venus — 207.7° · sign Libra · constellation Virgo
  • ♂︎ Mars — 85.0° · sign Gemini · constellation Taurus
  • ♃︎ Jupiter — 0.6° · sign Aries · constellation Pisces
  • ♄︎ Saturn — 318.6° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon 17% 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]

    waning crescent, 17% lit; the Moon was 394,413 km away.

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

    4 orbits of the Sun — 3,715 million km, that is 4,833 return trips to the Moon; 1,444 rotations of Earth; with the Sun — 28.7 billion km around the Galactic centre, 1.1 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 100 million km away; today it is 246 million km (farther by 2.4×).

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

    That day fell in solar cycle 25, on the rise to maximum (28% through the cycle).

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

    Mars returns to that day’s point of its orbit on June 12, 2028; Jupiter — in 2034; a full moon exactly on this date — October 21, 2059

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

    The vernal point has shifted 180″ since that day; the real constellations now sit 24.2° 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/ap221021.html

    NASA APOD

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