2120 Visibility Forecast
78
Visibility Score
18.2
Expected /hr
7.0%
Moon Illum.
excellent
65.5°
Best Alt.
at 21:00
Radiant Altitude & Hourly Rate (Peak Night)
Açıklama
Medium strength, sometimes reaching high activity (50-75/hr in 2006-2009). Swift with persistent trains.
Geçmiş
Shares parent body (Halley's Comet) with eta Aquariids. Earth crosses Halley's outbound orbit.
Radiant Position
Shower Properties
IAU CodeORI
ClassMajor Shower
ZSH20
Velocity66.0 km/s
Speed ClassSwift (>50 km/s)
Pop. Index (r)2.5
Radiant RA95.0°
Radiant Dec+15.8°
Peak Sol. Lng.208.0°
Ana Cisim1P/Halley
Parent Typecomet
Best Hemisphereboth
2120 Dates
Activity StartOct 02
Activity EndNov 07
Zirve TarihiOct 19
Moon PhaseWaxing Crescent
Moon Condition
excellent
Best Timepredawn
Characteristics
Fast Meteors
Variable Rates
Persistent Trains