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The sky on October 8, 2010 — as it really was

That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 24.0° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♄︎8° ☿︎8° ☉︎15° ☽︎25° ♀︎13° ♂︎16° ♃︎26°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 195.1° · sign Libra · constellation Virgo
  • ☽︎ Moon — 205.1° · sign Libra · constellation Virgo
  • ☿︎ Mercury — 188.7° · sign Libra · constellation Virgo
  • ♀︎ Venus — 223.2° · sign Scorpio · constellation Libra
  • ♂︎ Mars — 226.0° · sign Scorpio · constellation Libra
  • ♃︎ Jupiter — 356.2° · sign Pisces · constellation Pisces
  • ♄︎ Saturn — 188.7° · sign Libra · constellation Virgo
  • ☽︎ Moon 1% 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]

    new moon, 1% lit; the Moon was 362,739 km away.

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

    16 orbits of the Sun — 15,030 million km, that is 19,550 return trips to the Moon; 5,842 rotations of Earth; with the Sun — 116.1 billion km around the Galactic centre, 4.5 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 341 million km away; today it is 244 million km (closer by 1.4×).

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

    That day fell in solar cycle 24, right at the minimum (17% through the cycle).

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

    Mars returns to that day’s point of its orbit on September 12, 2027; Jupiter — in 2034; a full moon exactly on this date — October 8, 2033

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

    The vernal point has shifted 792″ since that day; the real constellations now sit 24° 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/ap101008.html

    NASA APOD

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