The Latest Information of Orionids 2021

6 November 2021

Last Updated :21 15:00UT

This page provides the latest activity information of Orionids by using worldwide Radio Meteor Observations from RMOB. This information was published by Hirofumi SUGIMOTO (Japan). 

Summary:  Orionids are showing as same activity level as annual year now.

This result may change in the future.

[Attention] Please reflesh this page using Ctrl+F5 key when you see the latest information.

Estimated ZHRr

by Hirofumi SUGIMOTO
Orionids 2021

  • 42 observed data were used.
  • Sugimoto H. (2017). “The New Method of Estimating ZHR using Radio Meteor Observations”. eMetN, 2,109–110.

Activity Level Index

by Hiroshi Ogawa

  • 49 observed data in 15 countries.
  • Ogawa H., Toyomasu S., Ohnishi K., and Maegawa K. (2001). “The Global Monitor of Meteor Streams by Radio Meteor Observation all over the world”. In, Warmbein Barbara, editor, Proceeding of the Meteoroids 2001 Conference, 6-10 August 2001, Swedish Institute of Space Physics, Kiruna, Sweden. ESA Publications Division, European Space Agency, Noordwijk, The Netherlands, pages 189–191.


Posted by Hiroshi Ogawa