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The sky on March 12, 2020 — as it really was

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

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ☽–♄ 87.6°♃–☉ 60.8° ♀︎7° ☽︎1° ♂︎17° ♃︎21° ♄︎29° ☿︎28° ☉︎22°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 352.4° · sign Pisces · constellation Pisces
  • ☽︎ Moon — 211.6° · sign Scorpio · constellation Virgo
  • ☿︎ Mercury — 328.5° · sign Aquarius · constellation Aquarius
  • ♀︎ Venus — 38.0° · sign Taurus · constellation Aries
  • ♂︎ Mars — 287.3° · sign Capricorn · constellation Sagittarius
  • ♃︎ Jupiter — 291.6° · sign Capricorn · constellation Sagittarius
  • ♄︎ Saturn — 299.2° · sign Capricorn · constellation Sagittarius
  • ☽︎ Moon 89% 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 gibbous, 89% lit; the Moon was 361,728 km away.

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

    6.6 orbits of the Sun — 6,173 million km, that is 8,029 return trips to the Moon; 2,399 rotations of Earth; with the Sun — 47.7 billion km around the Galactic centre, 1.8 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 242 million km away; today it is 243 million km (farther by 1×).

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

    That day fell in solar cycle 25, right at the minimum (3% through the cycle).

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

    Mars returns to that day’s point of its orbit on September 20, 2027; Jupiter — in 2032; a full moon exactly on this date — March 12, 2036

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

    The vernal point has shifted 324″ since that day; the real constellations now sit 24.1° 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/ap200312.html

    NASA APOD

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