Kappa Ursae Majorids
{{Orphan|date=April 2025}}
{{Short description|Minor meteor Shower}}
{{Use mdy dates|date=April 2025}}
Kappa Ursae Majorids (KUM) is a minor meteor shower associated with the constellation Ursa Major. It is usually active annually from October 28 to November 17, with a peak around November 6.
The radiant point of this shower is near the star Kappa Ursae Majoris, located at right ascension 10:27 and declination +42°. Meteors from this shower enter the atmosphere at a velocity of approximately 65 km/s.{{Cite web |last=Lunsford |first=Robert |title=Meteor Activity Outlook for November 16-22, 2024 |url=https://amsmeteors.org/2024/11/meteor-activity-outlook-for-november-16-22-2024/ |access-date=2025-01-08 |website=American Meteor Society |language=en-US}}{{Cite book |title=Meteoroids 2013: Proceedings of the Astronomical Conference |publisher=Adam Mickiewicz University Press |year=2014 |isbn=978-83-232-2726-7 |editor-last=Jopek |editor-first=Tadeusz J |location=Poland |publication-date=2014 |pages=355–356 |editor-last2=Rietmeijer |editor-first2=Frans J.M |editor-last3=Watanabe |editor-first3=Junichi |editor-last4=Williams |editor-first4=Iwan P}} KUM is a weak shower, typically producing less than one meteor per hour, making observation challenging.{{Cite web |date=2024-10-25 |title=Meteor Activity Outlook for 26 October – 1 November 2024 |url=https://www.emeteornews.net/2024/10/25/meteor-activity-outlook-for-26-october-1-november-2024/ |access-date=2025-01-08 |website=eMetN Meteor Journal |language=en-GB}}
Observation
Due to their high northern radiant, these meteors are best observed from the Northern Hemisphere during the last hour before dawn, when the radiant is highest in the sky. Observers in the Southern Hemisphere have limited visibility.
Kappa Ursae Majorids meteors were first identified by Japanese observers following an outburst on November 5, 2009.{{Cite web |date=2024-11-01 |title=Meteor Activity Outlook for 2–8 November 2024 |url=https://www.emeteornews.net/2024/11/01/meteor-activity-outlook-for-2-8-november-2024/ |access-date=2025-01-08 |website=eMetN Meteor Journal |language=en-GB}}{{Cite book | author-first1=Denis | author-last1=Vida | author-first2=Filip | author-last2=Novoselnik | author-first3=Željko | author-last3=Andreić | author-first4=Damir | author-last4=Šegon | author-first5=Korado | author-last5=Korlević | author-first6=Filip | author-last6=Matijević | author-first7=Džan | author-last7=Jašarević | author-first8=Anton | author-last8=Perkov | author-first9=Ciobanu | author-last9=Tudor | chapter=Possible new meteor shower detected from CMN and SonotaCo data | title=Proceedings of the International Meteor Conference | editor-last1=Gyssens | editor-first1=Marc | editor-last2=Roggemans | editor-first2=Paul | date=2012-09-20 |publisher=International Meteor Organization | location=Hove, Belgium |pages=42}} {{Listed Invalid ISBN|978-2-87355-024-4}}.