The Solar Longitude (Abbrev: S.L., λ ☉) is 177.1 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 2011 EU29. The closest star to the radiant point of the meteor shower is Rho Pegasi. The coordinates can also be determined by the Right Ascension (345.9) and the Declination (5.1).
The speed/velocity of the Meteor Shower particles is 18 km/s.
|Associated Asteroid||2011 EU29|
|Closest Star to Radiant Point||Rho Pegasi|
|Peak Activity Date||20th September|
|Solar Longitude / λ ☉||177.1 °|
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