АстроанализChart toolBy dateРусский

The sky on January 29, 2017 — as it really was

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

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♃–♄ 61.3°♄–♀ 91.4° ♂︎0° ♃︎23° ♄︎24° ☿︎17° ☉︎9° ☽︎27° ♀︎25°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 309.8° · sign Aquarius · constellation Capricornus
  • ☽︎ Moon — 327.7° · sign Aquarius · constellation Aquarius
  • ☿︎ Mercury — 287.5° · sign Capricorn · constellation Sagittarius
  • ♀︎ Venus — 355.7° · sign Pisces · constellation Pisces
  • ♂︎ Mars — 0.9° · sign Aries · constellation Pisces
  • ♃︎ Jupiter — 203.0° · sign Libra · constellation Virgo
  • ♄︎ Saturn — 264.4° · sign Sagittarius · constellation Ophiuchus
  • ☽︎ Moon 2% 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]

    new moon, 2% lit; the Moon was 384,281 km away.

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

    9.7 orbits of the Sun — 9,096 million km, that is 11,831 return trips to the Moon; 3,535 rotations of Earth; with the Sun — 70.3 billion km around the Galactic centre, 2.7 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 274 million km away; today it is 245 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 24, on the decline (74% through the cycle).

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

    Mars returns to that day’s point of its orbit on May 13, 2028; Jupiter — in 2029; a full moon exactly on this date — January 29, 2040

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

    The vernal point has shifted 468″ 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/ap170129.html

    NASA APOD

Other dates

Your chart with time and place

Computed from the date only; nothing about you is stored.