🌟 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.
4
☉☿♂♇4-planet stellium⭐ largest this window
Surya, Budha, Mangala, Pluto
Formed Oct 22, 1991 · 16:47:16 EDT
Broke up Oct 23, 1991 · 11:39:51 EDT
3
☉♂♇3-planet stellium
Surya, Mangala, Pluto
Formed Nov 3, 1991 · 00:15:09 EST
Broke up Nov 27, 1991 · 06:56:49 EST
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.