We use cookies to deliver essential features and to measure their performance. By using this site you accept our Privacy Policies.
A Complete Guide to the Solar System and the Night Sky
Your support keeps us free & ad-free » Donate
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 7:01  
clear_day Transit: 12:12  
SunsetSet: 17:24
sunny DaytimeWhat's Visible Now?
All Constellations » Ursa Minor » 

λ Ursae Minoris (lambda Ursae Minoris)

Altitude: 51.3°   Azimuth: 358.5°   Direction: North

λ Ursae Minoris is a double giant star in the constellation of Ursa Minor.

λ Ursae Minoris visual magnitude is 6.38. Because of its reltive faintness, λ Ursae Minoris should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of λ Ursae Minoris is -0.023 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of λ Ursae Minoris (lambda Ursae Minoris) star
DSS2 image of λ Ursae Minoris. The red arrow shows the motion of λ Ursae Minoris during the next 10000 years (-3.83 arcmin in Right Ascension and -0.67 arcmin in declination);

Key facts about λ Ursae Minoris

6.38
Giant

λ Ursae Minoris (lambda Ursae Minoris) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 51.3°
Azimuth: 358.5°
Direction: North

Celestial coordinates and finder chart of λ Ursae Minoris

λ Ursae Minoris is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of λ Ursae Minoris are provided in the following table:

17h 16m 56s
+89° 02’ 16”
121.94°
27.51°
Ursa Minor

The simplified sky map below shows the position of λ Ursae Minoris in the sky:

Finder chart λ Ursae Minoris (lambda Ursae Minoris) star
Simplified finder chart for λ Ursae Minoris (lambda Ursae Minoris).

Visibility of λ Ursae Minoris from your location

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

λ Ursae Minoris (lambda Ursae Minoris) is circumpolar and transits at 07:10 UTC (altitude: 52.4°)

Distance of λ Ursae Minoris from the Sun and relative movement

λ Ursae Minoris is distant 876.34 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

268.82 pc
876.34 ly
2 km/s
-0.023 arcsec/year
-0.004 arcsec/year

Spectral properties of λ Ursae Minoris

λ Ursae Minoris belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.

-0.77
M1III
3691K

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

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

λ Ursae Minoris star system properties

λ Ursae Minoris is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the λ Ursae Minoris double sysyem:

6.38
13.88
7.5
54.7 arcsec

Alternative designations of λ Ursae Minoris

λ Ursae Minoris
(lambda Ursae Minoris)
SAO3020
SAO3020