The Solar Longitude (Abbrev: S.L., λ ☉) is 216 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 closest star to the radiant point of the meteor shower is Botein. The coordinates can also be determined by the Right Ascension (48.1) and the Declination (20.4).
The speed/velocity of the Meteor Shower particles is 29 km/s.
|Closest Star to Radiant Point||Botein|
|Max Activity Date||08 Dec|
|Activity Period||December 8-January 2|
|Solar Longitude / λ ☉||216 °|