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The sky on March 11, 2011 — as it really was

That day the Sun stood in Aquarius, while the horoscope says "Pisces". The gap is 24.0° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ☿–☽ 60.0°♃–♀ 59.1° ☿︎3° ♃︎10° ☽︎3° ♄︎15° ♀︎11° ♂︎12° ☉︎20°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 350.6° · sign Pisces · constellation Aquarius
  • ☽︎ Moon — 63.3° · sign Gemini · constellation Taurus
  • ☿︎ Mercury — 3.3° · sign Aries · constellation Pisces
  • ♀︎ Venus — 311.1° · sign Aquarius · constellation Capricornus
  • ♂︎ Mars — 343.0° · sign Pisces · constellation Aquarius
  • ♃︎ Jupiter — 10.2° · sign Aries · constellation Pisces
  • ♄︎ Saturn — 195.6° · sign Libra · constellation Virgo
  • ☽︎ Moon 35% 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, 35% lit; the Moon was 395,330 km away.

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

    15.6 orbits of the Sun — 14,631 million km, that is 19,031 return trips to the Moon; 5,686 rotations of Earth; with the Sun — 113 billion km around the Galactic centre, 4.4 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 353 million km away; today it is 245 million km (closer by 1.4×).

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

    That day fell in solar cycle 24, on the rise to maximum (21% through the cycle).

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

    Mars returns to that day’s point of its orbit on February 13, 2028; Jupiter — in 2035; a full moon exactly on this date — March 11, 2028

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

    The vernal point has shifted 756″ since that day; the real constellations now sit 24° 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/ap110311.html

    NASA APOD

Other dates

2011-03-10 2011-03-12 everyone born March 11
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