The sky on June 13, 2008 — as it really was
That day the Sun stood in Taurus, while the horoscope says "Gemini". The gap is 24.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 82.8° · sign Gemini · constellation Taurus
- ☽︎ Moon — 205.5° · sign Libra · constellation Virgo
- ☿︎ Mercury — 74.3° · sign Gemini · constellation Taurus
- ♀︎ Venus — 84.0° · sign Gemini · constellation Taurus
- ♂︎ Mars — 139.3° · sign Leo · constellation Leo
- ♃︎ Jupiter — 290.5° · sign Capricorn · constellation Sagittarius
- ♄︎ Saturn — 153.1° · sign Virgo · constellation Leo
- ☽︎ Moon 77% 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, 77% lit; the Moon was 401,705 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
18.3 orbits of the Sun — 17,206 million km, that is 22,380 return trips to the Moon; 6,687 rotations of Earth; with the Sun — 132.9 billion km around the Galactic centre, 5.1 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 298 million km away; today it is 246 million km (closer by 1.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 23, on the decline (96% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on April 5, 2027; Jupiter — in 2032; a full moon exactly on this date — June 12, 2033
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 900″ since that day; the real constellations now sit 24° 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/ap080613.html
NASA APOD
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