The Minor aspects are less well known and may happen less often than the Major events, but many times that makes them more powerful. ... The theme of an aspect stays true, but the specific meaning will differ slightly depending upon sign, element, and whether it's a predominately masculine or feminine energy.
How important are minor aspects?
Minor astrological aspects are responsible for the “magical” chapter of an astrological chart. Their interpretations aren't as fixed as those of major aspects but nevertheless — under certain circumstances — minor aspects may signify profound influences of strong astral energies.
Are aspects important?
Aspects are essential when it comes to interpreting astrology, as they can totally change the influence and meaning of a planetary placement — so instead of just interpreting a single planet's meaning in a certain sign, we have to consider how they blend with other planets' energies.