Leonids Meteor Shower (LEO) — Peak Date, Live ZHR & Viewing Guide | hoan.uk
Fastest known annual meteor shower (71 km/s, ZHR 15) from Comet 55P/Tempel-Tuttle, famous for historic 33-year cyclonic meteor storms. Peak: November 17–18, ZHR: 15/hr, Velocity: 71 km/s, Parent body: Comet 55P/Tempel-Tuttle. Live local radiant altitude and hourly meteor count calculator.
IMO Astronomical Parameters & Orbital Elements
| IAU Code | LEO |
|---|---|
| Zenithal Hourly Rate (ZHR) | 15 meteors/hour |
| Entry Velocity | 71 km/s |
| Peak Solar Longitude (λ☉) | 235.27° |
| Parent Body | Comet 55P/Tempel-Tuttle |
| Radiant Constellation | Leo (The Sickle) |
| Annual Peak Date | November 17–18 |
| Active Period | November 6 – November 30 |
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