The Solar Longitude (Abbrev: S.L., λ ☉) is 258 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 XM1. The closest star to the radiant point of the meteor shower is Chi1 Orionis. The coordinates can also be determined by the Right Ascension (83.2) and the Declination (25.7).
The speed/velocity of the Meteor Shower particles is 25 km/s.
|Associated Asteroid||2008 XM1|
|Closest Star to Radiant Point||Chi1 Orionis|
|Peak Activity Date||10th December|
|Solar Longitude / λ ☉||258 °|
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