The sky on July 21, 1950 — as it really was
That day the Sun stood in Cancer — sign and constellation agree here.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 118.2° · sign Cancer · constellation Cancer
- ☽︎ Moon — 195.8° · sign Libra · constellation Virgo
- ☿︎ Mercury — 129.5° · sign Leo · constellation Cancer
- ♀︎ Venus — 88.5° · sign Gemini · constellation Orion
- ♂︎ Mars — 198.4° · sign Libra · constellation Virgo
- ♃︎ Jupiter — 336.5° · sign Pisces · constellation Aquarius
- ♄︎ Saturn — 166.1° · sign Virgo · constellation Leo
- ☽︎ Moon 39% 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]
first quarter, 39% lit; the Moon was 372,986 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
76.2 orbits of the Sun — 71,617 million km, that is 93,154 return trips to the Moon; 27,834 rotations of Earth; with the Sun — 553.1 billion km around the Galactic centre, 21.4 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 198 million km away; today it is 246 million km (farther 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 September 1, 2027; Jupiter — in 2033.
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 3,816″ 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.