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The sky on January 28, 2016 — as it really was

That day the Sun stood in Capricornus, while the horoscope says "Aquarius". The gap is 24.1° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♂–☿ 62.1° ♃︎22° ☽︎28° ♂︎13° ♄︎13° ♀︎5° ☿︎15° ☉︎7°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 308.0° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon — 178.5° · sign Virgo · constellation Virgo
  • ☿︎ Mercury — 285.3° · sign Capricorn · constellation Sagittarius
  • ♀︎ Venus — 275.7° · sign Capricorn · constellation Sagittarius
  • ♂︎ Mars — 223.2° · sign Scorpio · constellation Libra
  • ♃︎ Jupiter — 172.6° · sign Virgo · constellation Leo
  • ♄︎ Saturn — 253.8° · sign Sagittarius · constellation Ophiuchus
  • ☽︎ 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 402,469 km away.

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

    10.7 orbits of the Sun — 10,040 million km, that is 13,060 return trips to the Moon; 3,902 rotations of Earth; with the Sun — 77.5 billion km around the Galactic centre, 3 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 211 million km away; today it is 245 million km (farther by 1.2×).

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

    That day fell in solar cycle 24, on the decline (65% through the cycle).

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

    Mars returns to that day’s point of its orbit on May 12, 2027; Jupiter — in 2028; a full moon exactly on this date — January 27, 2032

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

    The vernal point has shifted 540″ 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/ap160128.html

    NASA APOD

Other dates

2016-01-27 2016-01-29 everyone born January 28
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