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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
SunriseRise: 6:42  
clear_day Transit: 12:10  
SunsetSet: 17:40
sleep NighttimeWhat's Visible Now?
All Constellations » Orion » 

5 Orionis

Altitude: 5.9°   Azimuth: 266.6°   Direction: West

5 Orionis is a variable giant star in the constellation of Orion.

5 Orionis visual magnitude is 5.33. Because of its reltive faintness, 5 Orionis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 5 Orionis is 0.034 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 5 Orionis star
DSS2 image of 5 Orionis. The red arrow shows the motion of 5 Orionis during the next 10000 years (5.67 arcmin in Right Ascension and -3.17 arcmin in declination);

Key facts about 5 Orionis


5 Orionis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.9°
Azimuth: 266.6°
Direction: West

Celestial coordinates and finder chart of 5 Orionis

5 Orionis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 5 Orionis are provided in the following table:

04h 53m 22s
+02° 30’ 29”

The simplified sky map below shows the position of 5 Orionis in the sky:

Finder chart 5 Orionis star
Simplified finder chart for 5 Orionis.

Visibility of 5 Orionis 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 5 Orionis 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: 87.5°
Max altitude: 41.0°
Azimuth: 272.5°

Distance of 5 Orionis from the Sun and relative movement

5 Orionis is distant 637.96 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

195.69 pc
637.96 ly
13 km/s
0.034 arcsec/year
-0.019 arcsec/year

Spectral properties of 5 Orionis

5 Orionis belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where 5 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 5 Orionis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 5 Orionis