The Solar Longitude (Abbrev: S.L., λ ☉) is 296 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 Xuange. The coordinates can also be determined by the Right Ascension (221.5) and the Declination (42.4).
The speed/velocity of the Meteor Shower particles is 41 km/s.
|Closest Star to Radiant Point||Xuange|
|Max Activity Date||17 Jan|
|Activity Period||Jan 17-18|
|Solar Longitude / λ ☉||296 °|