Ursids

2029 2030 2031

2030 Napoved vidljivosti

66
Ocena vidljivosti
7.8
Pričakovano /h
11.7%
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

2030 Datumi

Začetek aktivnostiDec 17
Konec aktivnostiDec 26
Datum vrhaDec 21

Lunina fazaWaxing Crescent
Stanje Lune good
Najboljši časpredawn

Značilnosti

Northern Only Occasional Outbursts