We use cookies to deliver essential features and to measure their performance. Learn more.
Support TheSkyLive Development! Donate Now!
public LocationGreenwich, UK
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Ursa Major » 

55 Ursae Majoris

Above the horizon.  Rise: 4:58 | Tran: 16:13 | Set: 3:31
Alt: 24.23°   Az: 301.33°   Direction: West-North-West

55 Ursae Majoris is a main-sequence star of spectral class A1 in the constellation of Ursa Major.

55 Ursae Majoris visual magnitude is 4.78. Because of its moderate brightness, 55 Ursae Majoris 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.

Image of 55 Ursae Majoris star
DSS2 image of 55 Ursae Majoris. The red arrow shows the motion of 55 Ursae Majoris during the next 10000 years (-9.50 arcmin in Right Ascension and -11.33 arcmin in declination);

Celestial Coordinates


11h 20m 27s
+38° 03’ 03”
06h 33m 41s
17h 54m 09s


11h 19m 07s
+38° 11’ 08”

Galactic Coordinates


Finder Chart

Finder chart 55 Ursae Majoris star
Simplified finder chart for 55 Ursae Majoris.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 55 Ursae Majoris is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 55 Ursae Majoris. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

55 Ursae Majoris is distant 182.94 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

-3 km/s
-0.057 arcsec/y

Alternative Designations

55 Ursae Majoris

Visibility from Your Location

Today's 55 Ursae Majoris rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.9°
Max altitude: 76.6°
Azimuth: 308.1°