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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
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Cancer » 

ρ2 Cancri (rho2 Cancri)

Altitude: 1.4°   Azimuth: 316.1°   Direction: North-West

ρ2 Cancri is a bright giant star in the constellation of Cancer.

ρ2 Cancri visual magnitude is 5.22. Because of its reltive faintness, ρ2 Cancri 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 ρ2 Cancri:

Bright giant

ρ2 Cancri (rho2 Cancri) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 1.4°
Azimuth: 316.1°
Direction: North-West

Celestial coordinates and finder chart of ρ2 Cancri

ρ2 Cancri is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ρ2 Cancri are provided in the following table:

08h 55m 39s
+27° 55’ 38”

The simplified sky map below shows the position of ρ2 Cancri in the sky:

Finder chart ρ2 Cancri (rho2 Cancri) star
Simplified finder chart for ρ2 Cancri (rho2 Cancri).

Visibility of ρ2 Cancri 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 ρ2 Cancri (rho2 Cancri) 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: 62.1°
Max altitude: 66.4°
Azimuth: 297.9°

Digitized Sky Survey image of ρ2 Cancri

The image below is a photograph of ρ2 Cancri 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 ρ2 Cancri is -0.01 arcsec per year in Right Ascension and -0.03 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of ρ2 Cancri (rho2 Cancri) star
DSS2 image of ρ2 Cancri. The red arrow shows the motion of ρ2 Cancri during the next 10000 years (-1.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of ρ2 Cancri from the Sun and relative movement

ρ2 Cancri is distant 573.94 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

176.06 pc
573.94 ly
17 km/s
-0.01 arcsec/year
-0.03 arcsec/year

Spectral properties of ρ2 Cancri

ρ2 Cancri belongs to spectral class G8 and has a luminosity class of II corresponding to a bright giant star.


The red dot in the diagram below shows where ρ2 Cancri is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ρ2 Cancri. Attribution: Richard Powell / CC BY-SA

Alternative designations of ρ2 Cancri

ρ2 Cancri
(rho2 Cancri)