Universe Guide

Delta Leonids Meteor Shower

When and where does the Delta Leonids Meteor Shower Occur

The Delta Leonids  meteor shower takes place within the boundaries constellation of Leo. The meteor shower occurs between Feb 15 - Mar 10 with the peak occurring on the Feb 25 every year.

The Solar Longitude (Abbrev: S.L., λ ☉) is 336 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 coordinates can also be determined by the Right Ascension (168) and the Declination (16).

Zenith Hourly Rate

The Zenith Hourly Rate or how many you expect to see during the hour is 2. The ZHR can radically increase if the comet or associated object is close by. The speed/velocity of the Meteor Shower particles is 23 km/s. The population index of the meteor shower is 3. The population index refers to the magnitude distribution of the meteorites, the smaller the index, the brighter the meteors are, the higher, the dimmer the meteors are. For this particular meteor shower, bright meteors are more frequent.

The Delta Leonids are one of a few meteor showers that are associated with the Leo, the Lion constellation. The major meteor shower for Leo is the Leonids which occur in November. This one is so called because the radiant point is near Zosma, also known as Delta Leonis star.

Related Meteor Showers :-

Recent and Forthcoming Meteor Showers :-

Delta Leonids Meteor Shower Facts

Associated CometTempel-Tuttle
Closest Star to Radiant PointZosma
Peak Activity DateFeb 25
Population Index3
Activity PeriodFeb 15 - Mar 10
Right Ascension168
Solar Longitude / λ ☉336 °
Zenith Hourly Rate2

Location of the Radiant Point for the Delta Leonids Meteor Shower

Map showing the location of where the Delta Leonids radiate from within Leo

The image showing the location of Delta Leonids was generated using the free application Night Vision.

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