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public LocationGreenwich, UK
Sunrise: 5:01 
Transit: 13:04 
Sunset: 21:06
sunny   (Daytime)   What's Visible Now?
All Constellations » Cepheus » 

κ Cephei (kappa Cephei)

Above the horizon.  Circumpolar today
Alt: 40.93°   Az: 351.04°   Direction: North

κ Cephei is a multiple giant star of spectral class B9 in the constellation of Cepheus.

κ Cephei visual magnitude is 4.39. Because of its moderate brightness, κ Cephei is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

κ Cephei is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere.

Image of κ Cephei (kappa Cephei) star
DSS2 image of κ Cephei. The red arrow shows the motion of κ Cephei during the next 10000 years (1.83 arcmin in Right Ascension and 4.00 arcmin in declination);

Celestial Coordinates


20h 08m 00s
+77° 47’ 02”
09h 44m 50s
05h 52m 51s


20h 08m 53s
+77° 42’ 41”

Galactic Coordinates


Finder Chart

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

Magnitude, Color, Spectral Class



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

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

Star System Properties

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

7.3 arcsec

Distance, Radial Speed, Proper Motion

κ Cephei is distant 326.98 light years from the Sun and it is moving towards the Sun at the speed of 23 kilometers per second.

100.30 pc
326.98 ly
-23 km/s
0.011 arcsec/y
0.024 "/y

Alternative Designations

κ Cephei
(kappa Cephei)

Visibility from Your Location

κ Cephei (kappa Cephei) is circumpolar and transits at 00:30 UTC (altitude: 63.7°)