🌟 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, Guru, Pluto
Formed May 10, 1919 · 01:36:17 EDT
Broke up May 14, 1919 · 02:03:11 EDT
3
♀♃♇3-planet stellium
Shukra, Guru, Pluto
Formed May 17, 1919 · 14:54:51 EDT
Broke up May 24, 1919 · 06:23:13 EDT
3
☉☿♇3-planet stellium
Surya, Budha, Pluto
Formed Jun 15, 1919 · 04:28:49 EDT
Broke up Jun 18, 1919 · 00:42:03 EDT
3
☉☿♇3-planet stellium
Surya, Budha, Pluto
Formed Jun 20, 1919 · 04:05:58 EDT
Broke up Jun 22, 1919 · 11:41:26 EDT
4
☉☿♃♇4-planet stellium⭐ largest this window
Surya, Budha, Guru, Pluto
Formed Jun 22, 1919 · 11:41:26 EDT
Broke up Jun 23, 1919 · 00:08:43 EDT
3
☉♂♇3-planet stellium
Surya, Mangala, Pluto
Formed Jul 6, 1919 · 02:05:48 EDT
Broke up Jul 7, 1919 · 09:23:10 EDT
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.