The sky on November 21, 1951 — as it really was
That day the Sun stood in Libra, while the horoscope says "Scorpio". The gap is 23.2° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 238.4° · sign Scorpio · constellation Libra
- ☽︎ Moon — 144.7° · sign Leo · constellation Leo
- ☿︎ Mercury — 258.7° · sign Sagittarius · constellation Ophiuchus
- ♀︎ Venus — 191.9° · sign Libra · constellation Virgo
- ♂︎ Mars — 178.4° · sign Virgo · constellation Virgo
- ♃︎ Jupiter — 4.4° · sign Aries · constellation Pisces
- ♄︎ Saturn — 191.6° · sign Libra · constellation Virgo
- ☽︎ Moon 53% 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]
last quarter, 53% lit; the Moon was 400,076 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
74.9 orbits of the Sun — 70,361 million km, that is 91,521 return trips to the Moon; 27,346 rotations of Earth; with the Sun — 543.4 billion km around the Galactic centre, 21 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 288 million km away; today it is 245 million km (closer by 1.2×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on February 14, 2027; Jupiter — in 2034; a full moon exactly on this date — November 21, 2029
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,744″ since that day; the real constellations now sit 23.2° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.