Orionids Meteor Shower (ORI) — Peak Date, Live ZHR & Viewing Guide | hoan.uk
Major autumn meteor shower (ZHR 20+, 66 km/s) produced by Halley Comet dust stream, radiating from Orion near Betelgeuse with bright persistent ionized trails. Peak: October 21–22, ZHR: 20/hr, Velocity: 66 km/s, Parent body: Comet 1P/Halley. Live local radiant altitude and hourly meteor count calculator.
IMO Astronomical Parameters & Orbital Elements
| IAU Code | ORI |
|---|---|
| Zenithal Hourly Rate (ZHR) | 20 meteors/hour |
| Entry Velocity | 66 km/s |
| Peak Solar Longitude (λ☉) | 208° |
| Parent Body | Comet 1P/Halley |
| Radiant Constellation | Orion (near Betelgeuse) |
| Annual Peak Date | October 21–22 |
| Active Period | October 2 – November 7 |
All 13 Major Annual IMO Meteor Showers
- Quadrantids (QUA) — ZHR 110/h • January 3–4
- Lyrids (LYR) — ZHR 18/h • April 22–23
- Eta Aquariids (ETA) — ZHR 50/h • May 5–6
- Southern Delta Aquariids (SDA) — ZHR 25/h • July 29–30
- Perseids (PER) — ZHR 100/h • August 12–13
- Draconids (DRA) — ZHR 10/h • October 8–9
- Orionids (ORI) — ZHR 20/h • October 21–22
- Southern Taurids (STA) — ZHR 5/h • November 4–5
- Northern Taurids (NTA) — ZHR 5/h • November 11–12
- Leonids (LEO) — ZHR 15/h • November 17–18
- Geminids (GEM) — ZHR 150/h • December 13–14
- Comae Berenicids (COM) — ZHR 3/h • December 15–16
- Ursids (URS) — ZHR 10/h • December 22–23