The sky on May 11, 2003 — as it really was
That day the Sun stood in Aries, while the horoscope says "Taurus". The gap is 23.9° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 50.4° · sign Taurus · constellation Aries
- ☽︎ Moon — 165.9° · sign Virgo · constellation Leo
- ☿︎ Mercury — 43.8° · sign Taurus · constellation Aries
- ♀︎ Venus — 24.0° · sign Aries · constellation Pisces
- ♂︎ Mars — 311.4° · sign Aquarius · constellation Capricornus
- ♃︎ Jupiter — 130.1° · sign Leo · constellation Cancer
- ♄︎ Saturn — 87.2° · sign Gemini · constellation Taurus
- ☽︎ Moon 72% 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]
waxing gibbous, 72% lit; the Moon was 371,320 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
23.4 orbits of the Sun — 21,993 million km, that is 28,606 return trips to the Moon; 8,547 rotations of Earth; with the Sun — 169.9 billion km around the Galactic centre, 6.6 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 136 million km away; today it is 245 million km (farther by 1.8×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, near maximum (55% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on October 23, 2027; Jupiter — in 2027; a full moon exactly on this date — May 11, 2055
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/ap030511.html
NASA APOD
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