Conjunction — 0°, orb 8°

The aspect table used for natal pairs is conjunction 0° orb 8°, sextile 60° orb 6°, square 90° orb 8°, trine 120° orb 8°, and opposition 180° orb 8°. The first match wins, and each planet pair keeps a single aspect. A 3° separation is a conjunction, not also a sextile.

Sign centers are 30° apart at minimum. The closest two different signs can be is 30°, which is 22° outside the 8° conjunction orb. So this site never lists a sign-to-sign conjunction. Conjunctions on a chart are planet-to-planet. The Sun at 2° Aries and Mercury at 7° Aries are conjunct. The Sun at 2° Aries and a planet at 2° Taurus are 30° apart and are not.

If you came from a sign page expecting “Aries conjunct Taurus,” that phrase is the neighbor relationship, and the geometry table marks it as no major aspect. The orb would have to be widened past 30° to catch it, and this engine does not do that.

Worked numbers: Sun at 12.0° and Mercury at 19.5° differ by 7.5°, inside the 8° orb, so the pair is a conjunction. Sun at 12.0° and Venus at 21.0° differ by 9.0°, outside it, so the pair is not a conjunction and is not a sextile either, because 9° is nowhere near 60°. Across the 0°/360° wrap, 358° and 3° are 5° apart, a conjunction, not a 355° gap. The fold into 0–180° is what makes that true.