The sky on November 30, 2013 — as it really was
That day the Sun stood in Ophiuchus, while the horoscope says "Sagittarius". The gap is 24.1° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 248.4° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon — 214.6° · sign Scorpio · constellation Virgo
- ☿︎ Mercury — 233.0° · sign Scorpio · constellation Libra
- ♀︎ Venus — 291.1° · sign Capricorn · constellation Sagittarius
- ♂︎ Mars — 176.1° · sign Virgo · constellation Virgo
- ♃︎ Jupiter — 109.6° · sign Cancer · constellation Gemini
- ♄︎ Saturn — 227.1° · sign Scorpio · constellation Libra
- ☽︎ Moon 9% 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.
- The Moon that day [EXACT]
waning crescent, 9% lit; the Moon was 372,459 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
12.8 orbits of the Sun — 12,073 million km, that is 15,704 return trips to the Moon; 4,692 rotations of Earth; with the Sun — 93.2 billion km around the Galactic centre, 3.6 light-days.
29.78 km/s along the orbit; 230 km/s around the Galactic centre - Mars then and now [EXACT]
On that day Mars was 250 million km away; today it is 244 million km (closer by 1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 24, near maximum (45% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on January 30, 2027; Jupiter — in 2037; a full moon exactly on this date — November 30, 2058
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 648″ since that day; the real constellations now sit 24.1° away from the astrologers’ “signs”.
precession 50.29″/yr - Picture of the day [EXACT]
NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap131130.html
NASA APOD
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