🌟 A stellium forms when 3 or more of the tracked planets (Sun, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto — Moon excluded) are all within mutual conjunction orb of each other at the same time. Any planet joining, leaving, or the cluster splitting/merging starts a new episode.
3
♂♄♇3-planet stellium
Mangala, Shani, Pluto
Formed Jan 20, 1982 · 16:06:47 EST
Broke up Mar 27, 1982 · 06:50:09 EST
4
♂♃♄♇4-planet stellium⭐ largest this window
Mangala, Guru, Shani, Pluto
Formed Jul 7, 1982 · 18:52:06 EDT
Broke up Aug 7, 1982 · 13:33:17 EDT
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.