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The sky on February 7, 1988 — as it really was

That day the Sun stood in Capricornus, while the horoscope says "Aquarius". The gap is 23.7° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♃–☿ 58.8°♂–☉ 58.0°♄–♀ 88.1° ♃︎24° ☽︎8° ♂︎19° ♄︎29° ☉︎17° ☿︎25° ♀︎27°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 317.9° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon — 188.2° · sign Libra · constellation Virgo
  • ☿︎ Mercury — 325.6° · sign Aquarius · constellation Capricornus
  • ♀︎ Venus — 357.6° · sign Pisces · constellation Pisces
  • ♂︎ Mars — 260.0° · sign Sagittarius · constellation Ophiuchus
  • ♃︎ Jupiter — 24.4° · sign Aries · constellation Pisces
  • ♄︎ Saturn — 269.4° · sign Sagittarius · constellation Sagittarius
  • ☽︎ Moon 82% 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, 82% lit; the Moon was 400,513 km away.

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

    38.7 orbits of the Sun — 36,334 million km, that is 47,260 return trips to the Moon; 14,121 rotations of Earth; with the Sun — 280.6 billion km around the Galactic centre, 10.8 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 275 million km away; today it is 243 million km (closer by 1.1×).

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

    That day fell in solar cycle 22, right at the minimum (14% through the cycle).

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

    Mars returns to that day’s point of its orbit on August 8, 2027; Jupiter — in 2035; a full moon exactly on this date — February 6, 2050

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

    The vernal point has shifted 1,944″ since that day; the real constellations now sit 23.7° away from the astrologers’ “signs”.

    precession 50.29″/yr

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