Leonids

2025 2026 2027

2026 Visibility Forecast

68
Visibility Score
12.5
Expected /hr
49.7%
Moon Illum.
fair
71.1°
Best Alt.
at 23:00

Radiant Altitude & Hourly Rate (Peak Night)

คำอธิบาย

Famous for producing meteor storms (1833, 1866, 1966, 1999, 2001, 2002). Normal years 10-15/hr. Next dense debris encounters expected around 2099.

History

Storm years produced rates of 1000-100000+/hr. Comet Tempel-Tuttle period ~33 years, returns 2031 and 2064.

Radiant Position

Shower Properties

IAU CodeLEO
ClassMajor Shower

ZHR15
Velocity70.0 km/s
Speed ClassSwift (>50 km/s)
Pop. Index (r)2.5

Radiant RA152.0°
Radiant Dec+21.8°
Peak Sol. Lng.235.27°

Parent Body55P/Tempel-Tuttle
Parent Typecomet
Best Hemisphereboth

2026 Dates

Activity StartNov 06
Activity EndNov 30
Peak DateNov 17

Moon PhaseFirst Quarter
Moon Condition fair
Best Timepredawn

Characteristics

Storm Potential Fast Meteors Historic Shower