We use cookies to deliver essential features and to measure their performance. Learn more.
Help us keep TheSkyLive 100% free & ads-free, donate now!
Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:23 
Transit: 12:14 
Sunset: 17:05
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
Search  close
All Constellations » Gemini » 

30 Geminorum

Below the horizon.  Rise: 14:14 | Tran: 21:20 | Set: 4:30
Alt: -0.22°   Az: 68.20°   Direction: East-North-East

30 Geminorum is a double hypergiant star of spectral class K0 in the constellation of Gemini.

30 Geminorum visual magnitude is 4.49. Because of its moderate brightness, 30 Geminorum 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 30 Geminorum star
DSS2 image of 30 Geminorum. The red arrow shows the motion of 30 Geminorum during the next 10000 years (-0.50 arcmin in Right Ascension and -9.67 arcmin in declination);

Celestial Coordinates

Apparent

06h 45m 24s
+13° 12’ 02”
16h 49m 56s
23h 35m 21s

J2000

06h 43m 59s
+13° 13’ 40”

Galactic Coordinates

200.3°
4.37°

Finder Chart

loader
  Loading map...
Finder chart for 30 Geminorum.

Magnitude, Color, Spectral Class

4.49
Hypergiant

-0.15
K0III
4389K

The red dot in the diagram below shows where 30 Geminorum is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 30 Geminorum. Attribution: Richard Powell / CC BY-SA

Star System Properties

30 Geminorum 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 30 Geminorum double sysyem:

4.49
12.89
8.4
27.2 arcsec

Distance, Radial Speed, Proper Motion

30 Geminorum is distant 275.80 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

84.60
275.80
14 km/s
-0.003 arcsec/y
-0.058"/y

Alternative Designations

30 Geminorum
SAO96051
SAO96051

Visibility from Your Location

Today's 30 Geminorum rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.8°
Max altitude: 51.7°
Azimuth: 283.2°