Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

22 Leonis

22 Leonis is a sub-giant star in the constellation of Leo.

22 Leonis visual magnitude is 5.32. Because of its reltive faintness, 22 Leonis 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 22 Leonis:

5.32
Sub-giant
22 Leonis is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of 22 Leonis

22 Leonis 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 22 Leonis are provided in the following table:

09h 51m 52s
+24° 23’ 43”
206.42°
49.69°
Leo

The simplified sky map below shows the position of 22 Leonis in the sky:

Finder chart 22 Leonis star
Simplified finder chart for 22 Leonis.

Visibility of 22 Leonis from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 22 Leonis rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.6°
Max altitude: 62.9°
Azimuth: 294.4°
22 Leonis is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of 22 Leonis

The image below is a photograph of 22 Leonis 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 22 Leonis is 0.006 arcsec per year in Right Ascension and -0.179 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 22 Leonis star
DSS2 image of 22 Leonis. The red arrow shows the motion of 22 Leonis during the next 1000 years (0.10 arcmin in Right Ascension and -2.98 arcmin in declination);

Distance of 22 Leonis from the Sun and relative movement

22 Leonis is distant 130.92 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

40.16 pc
130.92 ly
-2 km/s
0.006 arcsec/year
-0.179 arcsec/year

Spectral properties of 22 Leonis

22 Leonis belongs to spectral class A5 and has a luminosity class of IV corresponding to a sub-giant star.

2.30
A5IV
7938K

The red dot in the diagram below shows where 22 Leonis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 22 Leonis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 22 Leonis

SAO81054
SAO81054