Exoplanet

KELT-20 b

Orbiting KELT-20

Overview

KELT-20 b is an exoplanet orbiting the star KELT-20, discovered in 2017 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

19.51

Earth radii

015 R⊕

Mass

1074.90

Earth masses

0500 M⊕

Orbital Period

3.5

days

0.1d10,000d

Distance

136.4

parsecs

Nearby10,000 pc

Equilibrium Temp

2262

K

150 K3,500 K

Radius (Earth radii)

19.51

Mass (Earth masses)

1074.90

Measured

Equilibrium Temperature

2262 K

Orbital Period

3.47 days

Distance from Earth

136.4 pc (~445 ly)

Spectral Type

A2 V

Temperature

8720 K

Mass (Solar)

1.76 M☉

Radius (Solar)

1.56 R☉

Luminosity

1.10 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

294.6614°, 31.2192°

Discovery Method

Transit

Discovery Year

2017

Data Sources
NASA Exoplanet Archive

Source ID: KELT-20 b

System Context

KELT-20 b orbits KELT-20 and was reported in 2017 and was detected with the Transit method.

Published measurements list a radius of 19.51 Earth radii, a mass of 1,074.9 Earth masses, an orbital period of 3.47 days, and an equilibrium temperature near 2,262 K.

Catalog data places the system at about 136.4 parsecs from Earth, a host star classified as A2 V, and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open KELT-20