АстроанализChart toolBy dateРусский

The sky on February 21, 1987 — as it really was

That day the Sun stood in Aquarius, while the horoscope says "Pisces". The gap is 23.7° of precession.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♂–☉ 58.3°☽–☉ 88.3° ♂︎0° ☽︎3° ♄︎20° ♀︎18° ☉︎2° ☿︎13° ♃︎27°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 332.3° · sign Pisces · constellation Aquarius
  • ☽︎ Moon — 244.0° · sign Sagittarius · constellation Scorpius
  • ☿︎ Mercury — 343.8° · sign Pisces · constellation Aquarius
  • ♀︎ Venus — 288.6° · sign Capricorn · constellation Sagittarius
  • ♂︎ Mars — 30.6° · sign Taurus · constellation Aries
  • ♃︎ Jupiter — 357.8° · sign Pisces · constellation Pisces
  • ♄︎ Saturn — 260.0° · sign Sagittarius · constellation Ophiuchus
  • ☽︎ Moon 49% 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.

  1. The Moon that day [EXACT]

    last quarter, 49% lit; the Moon was 372,688 km away.

    astronomy-engine
  2. How far Earth has travelled since [EXACT]

    39.6 orbits of the Sun — 37,231 million km, that is 48,428 return trips to the Moon; 14,470 rotations of Earth; with the Sun — 287.5 billion km around the Galactic centre, 11.1 light-days.

    29.78 km/s along the orbit; 230 km/s around the Galactic centre
  3. Mars then and now [EXACT]

    On that day Mars was 265 million km away; today it is 246 million km (closer by 1.1×).

    astronomy-engine; checked against JPL Horizons for 2026-09-14
  4. Solar cycle [ESTIMATE]

    That day fell in solar cycle 22, right at the minimum (5% through the cycle).

    SILSO smoothed minima
  5. When the sky repeats [EXACT]

    Mars returns to that day’s point of its orbit on July 9, 2028; Jupiter — in 2034; a full moon exactly on this date — February 20, 2027

    sidereal periods: Mars 686.98 d, Jupiter 11.862 yr
  6. 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

Your chart with time and place

Computed from the date only; nothing about you is stored.