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public LocationGreenwich, UK
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Orion » 

57 Orionis

Below the horizon.  Rise: 3:20 | Tran: 11:05 | Set: 18:50
Alt: -15.84°   Az: 22.98°   Direction: North-North-East

57 Orionis is a variable and double main-sequence star of spectral class B2 in the constellation of Orion.

57 Orionis visual magnitude is 5.92. Because of its faintness, 57 Orionis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of 57 Orionis star
DSS2 image of 57 Orionis. The red arrow shows the motion of 57 Orionis during the next 100000 years (-5.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates


05h 56m 23s
+19° 45’ 08”
13h 34m 05s
19h 30m 29s


05h 54m 56s
+19° 44’ 58”

Galactic Coordinates


Finder Chart

Finder chart 57 Orionis star
Simplified finder chart for 57 Orionis.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where 57 Orionis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 57 Orionis. Attribution: Richard Powell / CC BY-SA

Star System Properties

57 Orionis 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 57 Orionis double sysyem:

0 arcsec

Distance, Radial Speed, Proper Motion

57 Orionis is distant 1,405.17 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

7 km/s
-0.003 arcsec/y

Alternative Designations


Visibility from Your Location

Today's 57 Orionis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 70.2°
Max altitude: 58.3°
Azimuth: 289.8°