Ephemeris 101

Ephemeris 101

Ephemeris 101

A Planetary Ephemeris provides astronomical data showing the daily positions of celestial bodies in our solar system.

The planets have individual and predictable orbits around the sun and pathways through the constellations that correlate with the astrological signs of the Zodiac. This regularity is useful for sky viewing and creating astro charts for a particular date.

The earliest astrologers used these ephemeris tables to calculate individual birth and event charts. These circular maps plot planetary positions and the aspects—angles of relationships—in a “state of the solar system” as a permanent representation of a moment in time. The ephemeris can then be consulted to find when real-time or "transiting" planets will be in the same sign and degree as planets in the birth or event chart. For instance, use the ephemerides to follow the Sun through the houses of your own birth chart, and journal on each day the Sun conjuncts a planet. The sun reveals or sheds light on a sign or house, allowing those qualities to shine and thrive. Ephemerides can also be used to look up dates of past events in your life to learn what planets were highlighted in your chart at that time. In addition, looking up dates for future plans can illuminate beneficial timing of available planetary energies.

Read across from a particular date, ephemerides provide the sign and degree of all the Planets, the Sun and Moon and nodes of the Moon on that day. The lower box on the page offers a quick look at Astro data such as, when a planet changes sign (an ingress occurs), aspects of the outer planet, and their change in direction or retrograde period and much more. The larger boxes represent two different months as labeled.) Use the Signs and Symbols at a Glance on page 203 to note the symbols or glyphs of planets, signs and aspects.

Sandra Pastorius © Mother Tongue Ink 2018

ART: Go For It © Melissa Harris 1995 




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