The sky on March 7, 2011 — as it really was
That day the Sun stood in Aquarius, while the horoscope says "Pisces". The gap is 24.0° of precession.
Bodies on the ecliptic (noon UTC)
- ☉︎ Sun — 346.6° · sign Pisces · constellation Aquarius
- ☽︎ Moon — 15.2° · sign Aries · constellation Pisces
- ☿︎ Mercury — 355.7° · sign Pisces · constellation Pisces
- ♀︎ Venus — 306.4° · sign Aquarius · constellation Capricornus
- ♂︎ Mars — 339.8° · sign Pisces · constellation Aquarius
- ♃︎ Jupiter — 9.3° · sign Aries · constellation Cetus
- ♄︎ Saturn — 195.9° · sign Libra · constellation Virgo
- ☽︎ Moon 6% 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 crescent, 6% lit; the Moon was 406,065 km away.
astronomy-engine - How far Earth has travelled since [EXACT]
15.6 orbits of the Sun — 14,641 million km, that is 19,044 return trips to the Moon; 5,690 rotations of Earth; with the Sun — 113.1 billion km around the Galactic centre, 4.4 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 353 million km away; today it is 245 million km (closer by 1.4×).
astronomy-engine; checked against JPL Horizons for 2026-09-14 - Solar cycle [ESTIMATE]
That day fell in solar cycle 24, on the rise to maximum (21% through the cycle).
SILSO smoothed minima - When the sky repeats [EXACT]
Mars returns to that day’s point of its orbit on February 9, 2028; Jupiter — in 2035; a full moon exactly on this date — March 6, 2042
sidereal periods: Mars 686.98 d, Jupiter 11.862 yr - How far the sky has drifted since [EXACT]
The vernal point has shifted 756″ since that day; the real constellations now sit 24° away from the astrologers’ “signs”.
precession 50.29″/yr - Picture of the day [EXACT]
NASA Astronomy Picture of the Day for this date: apod.nasa.gov/apod/ap110307.html
NASA APOD
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