🌟 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, Uranus, Neptune
Formed Jan 7, 1999 · 02:30:16 EST
Broke up Jan 12, 1999 · 00:57:59 EST
4
☉☿⛢♆4-planet stellium⭐ largest this window
Surya, Budha, Uranus, Neptune
Formed Jan 24, 1999 · 12:27:17 EST
Broke up Feb 1, 1999 · 07:08:09 EST
3
☉☿⛢3-planet stellium
Surya, Budha, Uranus
Formed Feb 1, 1999 · 07:08:09 EST
Broke up Feb 10, 1999 · 05:59:10 EST
3
♂⛢♆3-planet stellium
Mangala, Uranus, Neptune
Formed Dec 3, 1999 · 08:27:25 EST
Broke up Dec 9, 1999 · 16:30:46 EST
Computed for Columbus, Ohio, America (United States) — exact-instant orb events (jd_utc), MariaDB-backed, 1900–2500.