🌟 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
Shukra, Mangala, Pluto
Formed Oct 4, 1997 · 05:28:41 EDT
Broke up Oct 19, 1997 · 01:47:49 EDT
4
♀♂⛢♆4-planet stellium⭐ largest this window
Shukra, Mangala, Uranus, Neptune
Formed Nov 26, 1997 · 17:49:24 EST
Broke up Jan 6, 1998 · 17:32:48 EST
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.