2047 Visibility Forecast
79
Visibility Score
18.2
Expected /hr
2.9%
Moon Illum.
excellent
65.4°
Best Alt.
at 21:00
Radiant Altitude & Hourly Rate (Peak Night)
คำอธิบาย
Medium strength, sometimes reaching high activity (50-75/hr in 2006-2009). Swift with persistent trains.
History
Shares parent body (Halley's Comet) with eta Aquariids. Earth crosses Halley's outbound orbit.
Radiant Position
Shower Properties
IAU CodeORI
ClassMajor Shower
ZHR20
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°
Parent Body1P/Halley
Parent Typecomet
Best Hemisphereboth
2047 Dates
Activity StartOct 02
Activity EndNov 07
Peak DateOct 20
Moon PhaseNew Moon
Moon Condition
excellent
Best Timepredawn
Characteristics
Fast Meteors
Variable Rates
Persistent Trains