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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Leo » 

κ Leonis (kappa Leonis)

Altitude: -11.7°   Azimuth: 349.8°   Direction: North

κ Leonis is a variable and multiple giant star in the constellation of Leo.

κ Leonis visual magnitude is 4.46. Because of its moderate brightness, κ Leonis should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about κ Leonis:


κ Leonis (kappa Leonis) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -11.7°
Azimuth: 349.8°
Direction: North

Celestial coordinates and finder chart of κ Leonis

κ Leonis is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of κ Leonis are provided in the following table:

09h 24m 39s
+26° 10’ 55”

The simplified sky map below shows the position of κ Leonis in the sky:

Finder chart κ Leonis (kappa Leonis) star
Simplified finder chart for κ Leonis (kappa Leonis).

Visibility of κ Leonis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's κ Leonis (kappa Leonis) rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.8°
Max altitude: 64.7°
Azimuth: 296.2°

Digitized Sky Survey image of κ Leonis

The image below is a photograph of κ Leonis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of κ Leonis is -0.033 arcsec per year in Right Ascension and -0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of κ Leonis (kappa Leonis) star
DSS2 image of κ Leonis. The red arrow shows the motion of κ Leonis during the next 10000 years (-5.50 arcmin in Right Ascension and -8.00 arcmin in declination);

Distance of κ Leonis from the Sun and relative movement

κ Leonis is distant 213.35 light years from the Sun and it is moving far from the Sun at the speed of 28 kilometers per second.

65.45 pc
213.35 ly
28 km/s
-0.033 arcsec/year
-0.048 arcsec/year

Spectral properties of κ Leonis

κ Leonis belongs to spectral class K2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where κ Leonis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of κ Leonis. Attribution: Richard Powell / CC BY-SA

κ Leonis star system properties

κ Leonis is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the κ Leonis double sysyem:

2.5 arcsec

Alternative designations of κ Leonis

κ Leonis
(kappa Leonis)