The aspects are divided into two main groups - harmonious aspects which are said to facilitate the exchange of energy between two planets, and disharmonious (more appropriate terms are analytical or challenging) aspects. When several aspects join to form a particular pattern this is termed an aspect pattern.
This is considered to be of significance when interpreting a horoscope. Planets which do not form any (main) aspects are described as being unaspected planets. The following aspects should also be noted: The 90-degrees-dial to find minor aspects
