2018 Visibility Forecast
63
Visibility Score
11.9
Expected /hr
65.7%
Moon Illum.
poor
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
2018 Dates
Activity StartNov 06
Activity EndNov 30
Peak DateNov 17
Moon PhaseWaxing Gibbous
Moon Condition
poor
Best Timepredawn
Characteristics
Storm Potential
Fast Meteors
Historic Shower