2019 Napoved vidljivosti
62
Ocena vidljivosti
7.5
Pričakovano /h
26.8%
Osvetl. Lune
good
53.8°
Najb. višina
at 01:00
Višina radianta in urna stopnja (noč vrha)
Opis
Often neglected as it peaks just before Christmas and after Geminids. 5-10/hr normally with occasional outbursts exceeding 25/hr. Northern hemisphere only.
Zgodovina
Outbursts appear unrelated to 8P/Tuttle perihelion dates.
Položaj radianta
Lastnosti roja
Koda IAUURS
RazredMinor Shower
ZHR10
Hitrost33.0 km/s
Razred hitrostiMedium (30-50 km/s)
Pop. indeks (r)3.0
RA radianta217.0°
Dek. radianta+76.0°
Vrh. sol. dolžina270.7°
Matično telo8P/Tuttle
Vrsta matičnega telesacomet
Najboljša poloblanorthern
2019 Datumi
Začetek aktivnostiDec 17
Konec aktivnostiDec 26
Datum vrhaDec 21
Lunina fazaFirst Quarter
Stanje Lune
good
Najboljši časpredawn
Značilnosti
Northern Only
Occasional Outbursts