The sky on August 13, 1996 — as it really was
That day the Sun stood in Leo — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 141.0° · sign Leo · constellation Leo
- ☽︎ Moon — 132.1° · sign Leo · constellation Cancer
- ☿︎ Mercury — 167.1° · sign Virgo · constellation Leo
- ♀︎ Venus — 95.5° · sign Cancer · constellation Gemini
- ♂︎ Mars — 102.5° · sign Cancer · constellation Gemini
- ♃︎ Jupiter — 278.5° · sign Capricorn · constellation Sagittarius
- ♄︎ Saturn — 6.9° · sign Aries · constellation Cetus
- ☽︎ Moon 1% 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]
new moon, 1% lit; the Moon was 406,230 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
30.1 orbits of the Sun — 28,326 million km, that is 36,845 return trips to the Moon; 11,009 rotations of Earth; with the Sun — 218.8 billion km around the Galactic centre, 8.4 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 329 million km away; today it is 245 million km (closer by 1.3×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, right at the minimum (0% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on August 4, 2028; Jupiter — in 2032; a full moon exactly on this date — August 13, 2030
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,512″ since that day; the real constellations now sit 23.8° 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/ap960813.html
NASA APOD
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