The sky on February 8, 1987 — as it really was
That day the Sun stood in Capricornus, while the horoscope says "Aquarius". The gap is 23.7° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 319.2° · sign Aquarius · constellation Capricornus
- ☽︎ Moon — 80.2° · sign Gemini · constellation Taurus
- ☿︎ Mercury — 336.6° · sign Pisces · constellation Aquarius
- ♀︎ Venus — 273.8° · sign Capricorn · constellation Sagittarius
- ♂︎ Mars — 21.6° · sign Aries · constellation Pisces
- ♃︎ Jupiter — 354.9° · sign Pisces · constellation Pisces
- ♄︎ Saturn — 259.1° · sign Sagittarius · constellation Ophiuchus
- ☽︎ Moon 76% 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, 76% lit; the Moon was 404,977 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
39.7 orbits of the Sun — 37,269 million km, that is 48,477 return trips to the Moon; 14,485 rotations of Earth; with the Sun — 287.8 billion km around the Galactic centre, 11.1 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 249 million km away; today it is 244 million km (closer by 1×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 22, right at the minimum (4% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on June 26, 2028; Jupiter — in 2034; a full moon exactly on this date — February 7, 2031
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 1,980″ since that day; the real constellations now sit 23.7° away from the astrologers’ “signs”.
precession 50.29″/yr
Other dates
Computed from the date only; nothing about you is stored.