🌟 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
Surya, Budha, Shukra
Formed Jul 7, 1963 · 00:49:47 EDT
Broke up Jul 8, 1963 · 11:16:23 EDT
4
☉♀⛢♇4-planet stellium⭐ largest this window
Surya, Shukra, Uranus, Pluto
Formed Aug 20, 1963 · 17:02:18 EDT
Broke up Sep 13, 1963 · 13:41:13 EDT
3
☉☿♀3-planet stellium
Surya, Budha, Shukra
Formed Sep 13, 1963 · 19:42:55 EDT
Broke up Sep 24, 1963 · 04:19:01 EDT
3
☿♀♂3-planet stellium
Budha, Shukra, Mangala
Formed Nov 26, 1963 · 02:50:51 EST
Broke up Dec 20, 1963 · 10:09:15 EST
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.