Geminids Meteor Shower (Peak Time and Condition)

Geminids is one of the great meteor showers in a year. Under the good condtion night, a lot of meteors more than 500 in a night were presented. Usually, HR(Hourly Rate) is around 40 – 60.
Radio Meteor Observation is also abele to see a lot of meteor echoes. The maximum (λ=262°.0) by radio meteor observation is earlier than visual observation (λ=262°.2).

Information of Geminids

Name (code) Geminids (004 GEM)
Active Visual(IMO) Dec.4th – Dec.17th
Radio(IPRMO) Dec.9th – Dec.16th
Maximum Visual(IMO) λ=262°.2
Radio(IPRMO) λ=262°.0
Radiant α = 112° / δ = +33°
feature ZHR(max):120, r=2.6, V:35km/s
Radio) Maximum Activity Level=3.5 FWHM:-1°.3/+0°.5
Parant Comet (3200)Phaethon

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

Year Peak Time and Condition (λ=262°.2) Comments for Radio Obs.
Year Peak Time and Condition
2021 Dec 14th 03hbest Dec 14th 02hbest Dec 14th 01hbest Dec 14th 00hbest Dec 13th 23hbest under best condition
2022 Dec 14th 09hnormal Dec 14th 08hnormal Dec 14th 07hgood Dec 14th 06hgood Dec 14th 05hbest western is better condition
2023 Dec 14th 15hbad Dec 14th 14hbad Dec 14th 13hbad Dec 14th 12hbad Dec 14th 11hbad radiant under horizon
2024 Dec 13th 21hbest Dec 13th 20hgood Dec 13th 19hgood Dec 13th 18hnormal Dec 13th 17hbad better condition in eastern
2025 Dec 14th 03hbest Dec 14th 02hbest Dec 14th 01hbest Dec 14th 00hbest Dec 13th 23hbest under 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)

Year Peak Time and Condition (λ=262°.2) Comments for Radio Obs.
GMT(UK) CET(Italy) IST(India) JST(Japan)
Year Peak and Condition
2021 Dec 14th 07hbest Dec 14th 08hgood Dec 14th 12hbad Dec 14th 16hbad West Europe is better
2022 Dec 14th 13hBad Dec 14th 14hBad Dec 14th 18hBad Dec 14th 22hBest better condition in East Asia
2023 Dec 14th 19hGood Dec 14th 20hGood Dec 15th 00hBest Dec 15th 04hBest best condition in all Asia
2024 Dec 14th 01hBest Dec 14th 02hBest Dec 14th 06hGood Dec 14th 10hBad best condition in Europe
2025 Dec 14th 07hBest Dec 14th 08hGood Dec 14th 12hBad Dec 14th 16hBad better condition in west Europe

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

Results of Geminids by Radio Meteor Observations

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

Posted by Hiroshi Ogawa