Universe Guide

Daytime Sextantids Meteor Shower

When and where does the Daytime Sextantids Meteor Shower Occur

The Daytime Sextantids  meteor shower takes place within the boundaries constellation of Sextans. The meteor shower occurs between 9 Sep- 9 Oct with the peak occurring on the 27-Sep every year.

The Solar Longitude (Abbrev: S.L., λ ☉) is 188 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 2005 UD. The coordinates can also be determined by the Right Ascension (156.6) and the Declination (-2.4).

Zenith Hourly Rate

The Zenith Hourly Rate or how many you expect to see during the hour is 20. The ZHR can radically increase if the comet or associated object is close by. The speed/velocity of the Meteor Shower particles is 33 km/s.

How to Find and View the Daytime Sextantids

Northern Hemisphere

The Daytime Sextantids are going to be one of the hardest meteor showers to be able to view. The radiant point is very close to where the Sun is located so not taking precautions may result in eye damage. If you do decide to try to view them, use solar filters/glasses to look.

It is possible to see the Sextantids before the Sun rises but you will need to be up at about 4 to 5 o'clock in the morning to see them. This is the best time to see them in fact when the Sun won't be up and block the view. You will need to look just above the horizon in a East to South East direction. The Sextantids will be visible until 4 p.m. when they drop below the horizon.

The picture below was drawn using Stellarium, an awesome free astronomy program. The picture shows where to look around 5:31 on 27th September which is the max activity date for the meteor shower.

Southern Hemisphere

The best time to see the Sextantids is the same as in the northern hemisphere, before the Sun appears at about 4:31, an hour earlier than the northern hemisphere. You need to look in the same direction, easterly. Whilst in the northern hemisphere, the shower tracks the shower, in the southern, the meteor shower leads the Sun.

Recent and Forthcoming Meteor Showers :-

Daytime Sextantids Meteor Shower Facts

Associated Asteroid2005 UD
Peak Activity Date27-Sep
Activity Period9 Sep- 9 Oct
Right Ascension156.6
Solar Longitude / λ ☉188 °
Zenith Hourly Rate20
Semi-Major Axis1.1400

Location of the Radiant Point for the Daytime Sextantids Meteor Shower

Map showing the location of where the Daytime Sextantids radiate from within Sextans

The image showing the location of Daytime Sextantids was generated using the free application Stellarium.

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