Star

K2-157

G-type star

Overview

K2-157 is a host star of spectral class G with 3 known exoplanets. It is located approximately 973 light-years from Earth.

Key Measurements

Planets

3

012+

Spectral Class

G

Distance

298.4

pc

Nearby10,000 pc

Temperature

5334

K

2,000 K40,000 K

V Magnitude

12.94

Spectral Type

G9 V

Temperature

5334 K

Mass (Solar)

0.89 M☉

Radius (Solar)

0.86 R☉

Luminosity

Unknown

Metallicity [Fe/H]

0.02

Age

8.8 Gyr

Known Planets

3

Stars in System

1

Planets (NASA)

3

Distance

298.4 pc (~973 ly)

V Magnitude

12.94

K Magnitude

10.98

Coordinates (RA, Dec)

183.7515°, -5.7820°

Planets in this System(3 known)

K2-157

Radius

0.94Earth radii

Mass

1.14Earth masses

Orbital Period

0.4days

Distance

298.4parsecs

Discovered 2018

K2-157

Orbital Period

25.9days

Distance

298.4parsecs

Equilibrium Temp

587K

Discovered 2025

K2-157

Orbital Period

66.5days

Distance

298.4parsecs

Equilibrium Temp

429K

Discovered 2025

Data Sources

NASA Exoplanet Archive

Source ID: K2-157