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The sky on January 26, 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 ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♄–♂ 177.5°♄–☿ 87.3°♄–♀ 60.2°☽–☿ 118.4°☽–♀ 91.2°☽–♃ 62.2°♂–☿ 90.2°♂–♀ 117.3° ♄︎27° ☽︎28° ♂︎0° ☿︎0° ☉︎6° ♀︎27° ♃︎26°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 306.1° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon — 58.5° · sign Taurus · constellation Taurus
  • ☿︎ Mercury — 300.2° · sign Aquarius · constellation Capricornus
  • ♀︎ Venus — 327.3° · sign Aquarius · constellation Aquarius
  • ♂︎ Mars — 210.0° · sign Scorpio · constellation Virgo
  • ♃︎ Jupiter — 356.3° · sign Pisces · constellation Pisces
  • ♄︎ Saturn — 27.5° · sign Aries · constellation Pisces
  • ☽︎ Moon 69% 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]

    first quarter, 69% lit; the Moon was 369,300 km away.

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

    27.7 orbits of the Sun — 26,025 million km, that is 33,851 return trips to the Moon; 10,115 rotations of Earth; with the Sun — 201 billion km around the Galactic centre, 7.8 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 185 million km away; today it is 244 million km (farther by 1.3×).

    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 14, 2027; Jupiter — in 2035.

    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/ap990126.html

    NASA APOD

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