The sky on October 30, 2003 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Scorpio". The gap is 23.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 216.6° · sign Scorpio · constellation Virgo
- ☽︎ Moon — 285.1° · sign Capricorn · constellation Sagittarius
- ☿︎ Mercury — 219.9° · sign Scorpio · constellation Libra
- ♀︎ Venus — 235.8° · sign Scorpio · constellation Libra
- ♂︎ Mars — 336.8° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 162.8° · sign Virgo · constellation Leo
- ♄︎ Saturn — 103.2° · sign Cancer · constellation Gemini
- ☽︎ Moon 32% 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]
first quarter, 32% lit; the Moon was 370,869 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
22.9 orbits of the Sun — 21,550 million km, that is 28,030 return trips to the Moon; 8,375 rotations of Earth; with the Sun — 166.4 billion km around the Galactic centre, 6.4 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 92 million km away; today it is 245 million km (farther by 2.7×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, near maximum (59% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on April 12, 2028; Jupiter — in 2027; a full moon exactly on this date — October 30, 2031
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,152″ since that day; the real constellations now sit 23.9° 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/ap031030.html
NASA APOD
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