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Table for Calculating Planetary Values

The Astroscope

Traditional astrologers use a weighting system to ascertain the value (relative strengths) of a given planet in a chart. This system is used in order to determine the overall chart rulership, along with the discovery of any almuten or important factors that clarify the issues in a delineation.

To use this table, first check the position in the chart of each planet in order to establish its dignities and debilities. Essential Dignities can be ascertained from Ptolemy's Table of Essential Dignities and a simple analysis of the chart in question will provide the Accidental Dignities. Then list the numerical values of the planet according to this table, adding the value of its dignities and subtracting the value of its debilities. This will give you a final number, which is its value in the chart concerned. Only the visible planets, Saturn, Jupiter, Mars, Sun, Venus, Mercury and Moon, along with the Moon's nodes, have traditional dignity. The outer planets, Uranus, Neptune, Pluto, and asteroids, etc., have no traditional value – and though they may be allowed to have some influence, they do not fit into the symbolic structure of the traditional astrological system.

Bear in mind that Accidental Dignity is more significant than Essential Dignity in the interpretation of a chart, although both are important. The unfortunate influence of a malefic is usually diminished when in dignity, whilst the fortunate influence of a benefic is increased.

Please consult our online Glossary of Astrological Terms for more information.

Essential DignityScoreEssential DebilityScore
Planet in Own Sign5Planet in Detriment-5
Planet in Mutual Reception5Planet in Fall-4
Planet in Exaltation4Peregrine-5
Reception by Exaltation4  
In Own Triplicity3  
In Own Terms2  
In Own Face1  
Accidental DignityScoreAccidental DebilityScore
On MC or Ascendant5In 12th House-5
In 7th, 4th, or 11th house4In 8th or 6th house-4
In 2nd or 5th house3Retrograde-5
In 9th house2Slow in Motion-2
In 3rd house1SaturnJupiterMars Occidental-2
Direct4MercuryVenus Oriental-2
Swift in Motion2Moon Decreasing in Light-2
SaturnJupiterMars Oriental2Combust-5
MercuryVenusMoon Occidental2Under Sunbeams-4
Moon Increasing in Light2Partile conjunction with Saturn or Mars-5
In Terms of Jupiter or Venus1In Terms of Saturn or Mars-1
Not Combust, nor Under Beams5Partile conjunction with Dragon's Tail-4
Cazimi5Partile opposition with Saturn or Mars-4
Partile conjunction with Jupiter or Venus5Besieged by Saturn or Mars-5
Partile conjunction with Dragon's Head5Partile square with Saturn or Mars-3
Partile trine with Jupiter or Venus4Conjunct Algol, or within 5°-5
Partile sextile with Jupiter or Venus3  
Partile conjunction with Cor Leonis6  
Partile conjunction with Spica5  

See also our traditional Table for Calculating Antiscions of Planets
For values of Pars Fortunæ, see Table to Calculate Value of Part of Fortune
For further info, please see also our Ptolemy's Table of Essential Dignities & Debilities
[Astrological researcher Robert Hand on his website has a historical view of weighting systems, collected from a variety of sources]

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This page was last modified on Saturday, 12 December 2015