Unaspected Planet
Definition
An unaspected planet is one that makes no major aspect — conjunction, sextile, square, trine, or opposition — to any other planet in the chart, within the orbs you are using. (These five are the major aspects, sometimes called the Ptolemaic aspects.) You find it by checking each planet against all the rest: if none of the five turns up within your chosen orb allowances, the planet counts as unaspected. The label depends on the orbs — widening them may bring a borderline planet back into aspect.
In Tradition
Modern Western astrology reads an unaspected planet as standing apart from the chart's web of aspects: its expression is detached, less woven into the personality, and apt to switch on unpredictably — sometimes muted, sometimes overdone. Astrologers agree the condition is meaningful when you check the five major aspects at standard orbs; they disagree on whether the minor aspects (quincunx, semisquare, sesquiquadrate) and parallels of declination should count, with strict definitions limiting the tally to those five majors.
In Practice
You draw up an aspect table for each planet and flag any with no major aspect within orb. An unaspected planet is read as a "loose end" that asks for conscious integration through the houses it rules and sits in, and transits to it often bring out its most visible expression. In synastry — the comparison of two people's charts — an unaspected natal planet may find an outlet through contact with the other person's aspecting planets. The condition is sometimes muddled with being peregrine (holding no essential dignity) or feral; modern usage keeps them distinct.
Historical Origin
The unaspected-planet doctrine is a 20th-century modern Western formulation; classical Hellenistic and traditional sources instead use the related idea of aversion — having no aspect by sign. Hand's Horoscope Symbols develops the modern psychological treatment; Sasportas in The Twelve Houses and Greene in The Astrology of Fate elaborate the integration-and-overcompensation reading. Brennan's Hellenistic Astrology marks off the modern unaspected concept from the classical doctrine of aversion.
Further Reading
- Robert Hand, Horoscope Symbols
- Liz Greene, The Astrology of Fate