🌟 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, Shani, Neptune
Formed Jun 27, 1917 · 17:12:43 EST
Broke up Jul 13, 1917 · 19:54:37 EST
4
☉☿♄♆4-planet stellium⭐ largest this window
Surya, Budha, Shani, Neptune
Formed Jul 14, 1917 · 17:45:42 EST
Broke up Jul 23, 1917 · 14:50:18 EST
3
☉♄♆3-planet stellium
Surya, Shani, Neptune
Formed Jul 23, 1917 · 14:50:18 EST
Broke up Aug 6, 1917 · 07:21:59 EST
3
♂♄♆3-planet stellium
Mangala, Shani, Neptune
Formed Sep 9, 1917 · 05:13:47 EST
Broke up Oct 17, 1917 · 10:10:18 EST
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.