Star

Kepler-21

Host star

Also known as: HD 179070, HIP 94112, TIC 121214185, Gaia DR2 2099606483621385216, Gaia DR3 2099606483621385216

Overview

Kepler-21 is a host star with 1 known exoplanet. It is located approximately 354 light-years from Earth.

Key Measurements

Planets

1

012+

Distance

108.5

pc

Nearby10,000 pc

Temperature

6305

K

2,000 K40,000 K

V Magnitude

8.25

Spectral Type

Unknown

Temperature

6305 K

Mass (Solar)

1.41 M☉

Radius (Solar)

1.90 R☉

Luminosity

Unknown

Metallicity [Fe/H]

-0.03

Age

2.8 Gyr

Known Planets

1

Stars in System

2

Planets (NASA)

1

Distance

108.5 pc (~354 ly)

V Magnitude

8.25

K Magnitude

6.95

Coordinates (RA, Dec)

287.3620°, 38.7141°

Planets in this System(1 known)
Kepler-21 b

Kepler-21

Radius

1.64Earth radii

Mass

7.50Earth masses

Orbital Period

2.8days

Distance

108.5parsecs

Discovered 2012

Exoplanet
Data Sources
NASA Exoplanet Archive

Source ID: Kepler-21