Star

K2-3

M-type star

Overview

K2-3 is a host star of spectral class M with 3 known exoplanets. It is located approximately 144 light-years from Earth.

Key Measurements

Planets

3

012+

Spectral Class

M

Distance

44.1

pc

Nearby10,000 pc

Temperature

3844

K

2,000 K40,000 K

V Magnitude

12.17

Spectral Type

M V

Temperature

3844 K

Mass (Solar)

0.55 M☉

Radius (Solar)

0.55 R☉

Luminosity

-1.23 log L☉

Metallicity [Fe/H]

-0.16

Age

6.9 Gyr

Known Planets

3

Stars in System

1

Planets (NASA)

3

Distance

44.1 pc (~144 ly)

V Magnitude

12.17

K Magnitude

8.56

Coordinates (RA, Dec)

172.3354°, -1.4551°

Planets in this System(3 known)

K2-3

Radius

2.08Earth radii

Mass

5.11Earth masses

Orbital Period

10.1days

Distance

44.1parsecs

Discovered 2015

K2-3

Radius

1.58Earth radii

Mass

2.68Earth masses

Orbital Period

24.6days

Distance

44.1parsecs

Discovered 2015

K2-3

Radius

1.46Earth radii

Mass

2.20Earth masses

Orbital Period

44.6days

Distance

44.1parsecs

Discovered 2015

Data Sources

NASA Exoplanet Archive

Source ID: K2-3