Ursids Meteor Shower (Peak Time and Date)


Ursids is a last major meteor shower in a year. An outburst was sometimes presented. In 1945, the strong activity as ZHR110 was recorded. Radio Meteor Observation caught some activity every year. Maximum in both radio and visual observation is observed around λ=270°.6 – λ=270°.7.

Information of Ursids

Name (code)Ursids (015 URS)
ActiveVisual(IMO)Dec.17th – Dec.26th
Radio(IPRMO)Dec.22nd – Dec.23rd
Radiantα = 217° / δ = +76°
featureZHR(max):10, r=3.0, V:33km/s
Radio) Maximum Activity Level=0.4 FWHM:-0°.45/+0°.35
Parant Comet8P/Tuttle

Reference and Useful Links

2021 Meteor Shower Calendar (International Meteor Organization)
– A new Working List of meteor showers (Rainer Arlt et al), WGN 34:3(2006)
– Meteor Shower Workbook 2014 (J.Rendtel) ? International Meteor Organization (2014)
– Major and Daytime Meteor Showers using Radio Meteor Observation in the World covering the period 2001-2016(H.Ogawa and C.Steyaert), WGN 45:4(2017)
The American Meteor Society (AMS)

Conditions in the future (2021-2025) for Radio Meteor Observations

Below lists are observig conditions for radio meteor observers in 2021, 2022, 2023, 2024 and 2025. This is listed for radio observers (NOT for visual observers). You can see visual observing conditions as following AMS site.
icon Conditions for Visual Observers (by AMS)

Conditions in North America

Time : Standard Time

YearPeak Time and Condition (λ=270°.7)Comments for Radio Obs.
YearPeak Time and Condition
2021Dec 22nd 11hbestDec 22nd 10hbestDec 22nd 09hbestDec 22nd 08hbestDec 22nd 07hbestunder best condition
2022Dec 22nd 17hbestDec 22nd 16hbestDec 22nd 15hbestDec 22nd 14hbestDec 22nd 13hbestunder best condition
2023Dec 23rd 00hbestDec 22nd 23hbestDec 22nd 22hbestDec 22nd 21hbestDec 22nd 20hbestlow radiant elevation
2024Dec 22nd 06hbestDec 22nd 05hbestDec 22nd 04hbestDec 22nd 03hbestDec 22nd 02hbestunder best condition
2025Dec 22nd 12hbestDec 22nd 11hbestDec 22nd 10hbestDec 22nd 09hbestDec 22nd 08hbestunder best condition

Major cities (example)
AST(Halifox, etc.), EST(NewYork,Ottawa, etc.), CST(Cicago, etc.), MST(Denver, etc.), PST(LosAngeles, etc.)

Conditions in Other region

Time : Standard Time (NOT daylight-saving time)

YearPeak Time and Condition (λ=270°.7)Comments for Radio Obs.
YearPeak and Condition
2021Dec 22nd 15hbestDec 22nd 16hbestDec 22nd 20hNormalDec 23rd 00hGoodlow radiant in India
2022Dec 22nd 21hGoodDec 22nd 22hGoodDec 23rd 02hNormalDec 23rd 06hbestlow radiant in India
2023Dec 23rd 04hbestDec 23rd 05hbestDec 23rd 09hbestDec 23rd 13hbestunder best condition
2024Dec 22nd 10hbestDec 22nd 11hbestDec 22nd 15hgoodDec 22nd 19hgoodbest condition in Europe
2025Dec 22nd 16hbestDec 22nd 17hbestDec 22nd 21hnormalDec 23rd 01hgoodlow radiant in India

GMT:United Kingdom, CET:Itarly, IST:India, JST:Japan

Results of Ursids by Radio Meteor Observations

Result of Ursids is recorded by worldwide radio meteor observers.
icon Result of Ursids