The Solar Longitude (Abbrev: S.L., λ ☉) is 149 degrees, this value is the the date of maximum activity. It is measured as a degree with zero degree indicating spring equinox (roughly March 21st/22nd). 90 is the Summer Solstice, 180 is the Autumn Equinox and 270 is the Winter Solstice. This degree is independent of the calender. AMS .
The source of the meteor shower is Asteroid 2008 ED69. The closest star to the radiant point of the meteor shower is Mu Draconis B. The coordinates can also be determined by the Right Ascension (256.4) and the Declination (62.5).
The speed/velocity of the Meteor Shower particles is 21 km/s.
|Associated Asteroid||2008 ED69|
|Closest Star to Radiant Point||Mu Draconis B|
|Peak Activity Date||8th December|
|Solar Longitude / λ ☉||149 °|
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