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The sky on March 18, 1992 — as it really was

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

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♃–♀ 178.2° ☿︎11° ♃︎7° ☽︎24° ♄︎14° ♂︎22° ♀︎5° ☉︎28°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 358.1° · sign Pisces · constellation Pisces
  • ☽︎ Moon — 174.6° · sign Virgo · constellation Leo
  • ☿︎ Mercury — 11.2° · sign Aries · constellation Pisces
  • ♀︎ Venus — 335.6° · sign Pisces · constellation Aquarius
  • ♂︎ Mars — 322.6° · sign Aquarius · constellation Capricornus
  • ♃︎ Jupiter — 157.4° · sign Virgo · constellation Leo
  • ♄︎ Saturn — 314.7° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon 100% 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]

    full moon, 100% lit; the Moon was 364,773 km away.

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

    34.6 orbits of the Sun — 32,470 million km, that is 42,234 return trips to the Moon; 12,619 rotations of Earth; with the Sun — 250.8 billion km around the Galactic centre, 9.7 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 313 million km away; today it is 244 million km (closer by 1.3×).

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

    That day fell in solar cycle 22, near maximum (56% through the cycle).

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

    Mars returns to that day’s point of its orbit on December 13, 2027; Jupiter — in 2028; a full moon exactly on this date — March 17, 2041

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

    The vernal point has shifted 1,728″ since that day; the real constellations now sit 23.8° away from the astrologers’ “signs”.

    precession 50.29″/yr

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