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The sky on February 18, 2006 — as it really was

That day the Sun stood in Aquarius — sign and constellation agree here.

РЫБЫОВЕНТЕЛЕЦБЛИЗНЕЦЫРАКЛЕВДЕВАВЕСЫСКОРПИОНЗМЕЕНОСЕЦСТРЕЛЕЦКОЗЕРОГВОДОЛЕЙ ♈︎♉︎♊︎♋︎♌︎♍︎♎︎♏︎♐︎♑︎♒︎♓︎ ♂–☉ 90.6°☽–☉ 122.3°♃–♀ 61.6°♃–☿ 117.6° ♂︎0° ♄︎6° ☽︎27° ♃︎18° ♀︎20° ☉︎29° ☿︎16°

Bodies on the ecliptic (noon UTC)

  • ☉︎ Sun — 329.7° · sign Aquarius · constellation Aquarius
  • ☽︎ Moon — 207.4° · sign Libra · constellation Virgo
  • ☿︎ Mercury — 346.2° · sign Pisces · constellation Aquarius
  • ♀︎ Venus — 290.1° · sign Capricorn · constellation Sagittarius
  • ♂︎ Mars — 60.3° · sign Gemini · constellation Taurus
  • ♃︎ Jupiter — 228.5° · sign Scorpio · constellation Libra
  • ♄︎ Saturn — 126.2° · sign Leo · constellation Cancer
  • ☽︎ 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.

  1. The Moon that day [EXACT]

    waning gibbous, 77% lit; the Moon was 398,917 km away.

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

    20.6 orbits of the Sun — 19,386 million km, that is 25,216 return trips to the Moon; 7,534 rotations of Earth; with the Sun — 149.7 billion km around the Galactic centre, 5.8 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 185 million km away; today it is 244 million km (farther by 1.3×).

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

    That day fell in solar cycle 23, on the decline (77% through the cycle).

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

    Mars returns to that day’s point of its orbit on October 28, 2026; Jupiter — in 2030; a full moon exactly on this date — February 18, 2030

    sidereal periods: Mars 686.98 d, Jupiter 11.862 yr
  6. How far the sky has drifted since [EXACT]

    The vernal point has shifted 1,044″ since that day; the real constellations now sit 23.9° away from the astrologers’ “signs”.

    precession 50.29″/yr
  7. Picture of the day [EXACT]

    NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap060218.html

    NASA APOD

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