The sky on March 20, 2003 — as it really was
That day the Sun stood in Pisces — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 359.5° · sign Pisces · constellation Pisces
- ☽︎ Moon — 208.4° · sign Libra · constellation Virgo
- ☿︎ Mercury — 358.0° · sign Pisces · constellation Pisces
- ♀︎ Venus — 321.3° · sign Aquarius · constellation Capricornus
- ♂︎ Mars — 279.9° · sign Capricorn · constellation Sagittarius
- ♃︎ Jupiter — 128.4° · sign Leo · constellation Cancer
- ♄︎ Saturn — 82.8° · sign Gemini · constellation Taurus
- ☽︎ Moon 94% 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, 94% lit; the Moon was 360,236 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
23.5 orbits of the Sun — 22,126 million km, that is 28,780 return trips to the Moon; 8,599 rotations of Earth; with the Sun — 170.9 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 202 million km away; today it is 245 million km (farther by 1.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, near maximum (54% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on September 1, 2027; Jupiter — in 2027; a full moon exactly on this date — March 19, 2030
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,188″ 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/ap030320.html
NASA APOD
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