Orbs · Astrological definition of Orbs · Astrology Encyclopedia  ·  March 19, 2024, 6:25 GMT
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Orbs

Orbs - Astrology Encyclopedia

Definition of Orbs The space within which an aspect is judged to be effective. The term is employed to describe the arc between the point at which a platic, or wide aspect, is deemed strong enough to be operative, and the point of culmination of a partile or exact aspect. Most authorities agree that orbs should vary with each planet and aspect, and that a larger orb should be allowed for an aspect that is forming than for one that is separating. As to exact orbs, there are few points on which authorities differ so radically. For conjunction or opposition some allow as much as 12° when the Sun aspects the Moon, about 10° when either luminary aspects a planet, and 8° for aspects between planets. Observe whether either body is in retrograde motion. The faster moving applies to the slower.



According to Ptolemy, the following orbs apply to the different bodies: Sun 17°, Moon 12°, Mercury 7,, Venus 8°, Mars 7°, Jupiter 12°, Saturn 9°, Uranus 5°, Neptune 5°. When two planets are approaching conjunction or opposition, add their respective orbs and divide by two to ascertain the arc of separation within which the aspect is supposed to be effective. For the trine and square aspects reduce the arc by one-fourth, and for the minor aspects by one-half. In all cases the closer the aspect the more powerful it becomes; also the heavier and slower moving planets are more powerful than the smaller and faster. v. Celestial sphere.

(Nicholas deVore - Encyclopedia of Astrology)

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