The July Rho Herculids meteor shower takes place within the boundaries constellation of Hercules. The Solar Longitude (Abbrev: S.L., λ ☉) is 125.8 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 MC. The closest star to the radiant point of the meteor shower is Rho Herculis. The coordinates can also be determined by the Right Ascension (265.9) and the Declination (36.2).
The speed/velocity of the Meteor Shower particles is 15 km/s.
|Associated Asteroid||2011 MC|
|Closest Star to Radiant Point||Rho Herculis|
|Peak Activity Date||29th July|
|Solar Longitude / λ ☉||125.8 °|
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