🌟 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
Budha, Shukra, Guru
Formed May 9, 1989 · 23:40:17 EDT
Broke up May 18, 1989 · 07:48:54 EDT
4
☉☿♀♃4-planet stellium⭐ largest this window
Surya, Budha, Shukra, Guru
Formed May 18, 1989 · 07:48:54 EDT
Broke up May 21, 1989 · 00:56:59 EDT
3
☉♀♃3-planet stellium
Surya, Shukra, Guru
Formed May 29, 1989 · 04:47:18 EDT
Broke up May 30, 1989 · 22:50:07 EDT
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.