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The sky on February 8, 1999 — as it really was

That day the Sun stood in Capricornus, while the horoscope says "Aquarius". The gap is 23.9° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ☽–☉ 90.0° ♄︎28° ♂︎4° ☽︎19° ☉︎19° ☿︎22° ♀︎13° ♃︎29°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 319.3° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon — 229.3° · sign Scorpio · constellation Libra
  • ☿︎ Mercury — 322.5° · sign Aquarius · constellation Capricornus
  • ♀︎ Venus — 343.5° · sign Pisces · constellation Aquarius
  • ♂︎ Mars — 214.9° · sign Scorpio · constellation Virgo
  • ♃︎ Jupiter — 359.0° · sign Pisces · constellation Pisces
  • ♄︎ Saturn — 28.3° · sign Aries · constellation Pisces
  • ☽︎ Moon 50% 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]

    last quarter, 50% lit; the Moon was 404,364 km away.

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

    27.7 orbits of the Sun — 25,992 million km, that is 33,808 return trips to the Moon; 10,102 rotations of Earth; with the Sun — 200.7 billion km around the Galactic centre, 7.7 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 165 million km away; today it is 244 million km (farther by 1.5×).

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

    That day fell in solar cycle 23, on the rise to maximum (20% through the cycle).

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

    Mars returns to that day’s point of its orbit on April 27, 2027; Jupiter — in 2035; a full moon exactly on this date — February 7, 2031

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

    The vernal point has shifted 1,368″ since that day; the real constellations now sit 23.9° 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/ap990208.html

    NASA APOD

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