The sky on October 13, 2003 — as it really was
That day the Sun stood in Virgo, while the horoscope says "Libra". The gap is 23.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 199.7° · sign Libra · constellation Virgo
- ☽︎ Moon — 54.7° · sign Taurus · constellation Taurus
- ☿︎ Mercury — 191.2° · sign Libra · constellation Virgo
- ♀︎ Venus — 214.6° · sign Scorpio · constellation Virgo
- ♂︎ Mars — 331.8° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 159.8° · sign Virgo · constellation Leo
- ♄︎ Saturn — 103.1° · sign Cancer · constellation Gemini
- ☽︎ Moon 91% 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 gibbous, 91% lit; the Moon was 405,513 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
23 orbits of the Sun — 21,592 million km, that is 28,086 return trips to the Moon; 8,392 rotations of Earth; with the Sun — 166.8 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 77 million km away; today it is 246 million km (farther by 3.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, near maximum (58% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on March 26, 2028; Jupiter — in 2027; a full moon exactly on this date — October 13, 2038
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/ap031013.html
NASA APOD
Other dates
Computed from the date only; nothing about you is stored.