Your Guide to the Solar System and the Night Sky
This site is free and ad-free thanks to the support of our users. If you can, please consider a donation.
public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
sunny DaytimeWhat's Visible Now
All Constellations » Gemini » 

85 Geminorum

Altitude: 57.3°   Azimuth: 160.9°   Direction: South-South-East

85 Geminorum is a hypergiant star in the constellation of Gemini.

85 Geminorum visual magnitude is 5.35. Because of its reltive faintness, 85 Geminorum should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 85 Geminorum:


85 Geminorum is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 57.3°
Azimuth: 160.9°
Direction: South-South-East

Celestial coordinates and finder chart of 85 Geminorum

85 Geminorum 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 85 Geminorum are provided in the following table:

07h 55m 39s
+19° 53’ 02”

The simplified sky map below shows the position of 85 Geminorum in the sky:

Finder chart 85 Geminorum star
Simplified finder chart for 85 Geminorum.

Visibility of 85 Geminorum 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 85 Geminorum 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: 70.1°
Max altitude: 58.4°
Azimuth: 289.9°

Digitized Sky Survey image of 85 Geminorum

The image below is a photograph of 85 Geminorum from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 85 Geminorum is -0.018 arcsec per year in Right Ascension and -0.043 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 85 Geminorum star
DSS2 image of 85 Geminorum. The red arrow shows the motion of 85 Geminorum during the next 10000 years (-3.00 arcmin in Right Ascension and -7.17 arcmin in declination);

Distance of 85 Geminorum from the Sun and relative movement

85 Geminorum is distant 339.23 light years from the Sun and it is moving far from the Sun at the speed of 11 kilometers per second.

104.06 pc
339.23 ly
11 km/s
-0.018 arcsec/year
-0.043 arcsec/year

Spectral properties of 85 Geminorum

85 Geminorum belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 85 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 85 Geminorum. Attribution: Richard Powell / CC BY-SA

Alternative designations of 85 Geminorum

85 Geminorum