The Upsilon Eridanids meteor shower takes place within the boundaries constellation of Eridanus. The Solar Longitude (Abbrev: S.L., λ ☉) is 295.6 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 believed to be Asteroid 2004 TB18. The closest star to the radiant point of the meteor shower is Upsilon1 Eridani. The coordinates can also be determined by the Right Ascension (69.3) and the Declination (-29).
The speed/velocity of the Meteor Shower particles is 10 km/s.
|Associated Asteroid||2004 TB18?|
|Closest Star to Radiant Point||Upsilon1 Eridani|
|Peak Activity Date||16th January|
|Solar Longitude / λ ☉||295.6 °|
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