Exoplanet

KELT-8 b

Orbiting KELT-8

Overview

KELT-8 b is an exoplanet orbiting the star KELT-8, discovered in 2015 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

18.16

Earth radii

015 R⊕

Mass

209.77

Earth masses

0500 M⊕

Orbital Period

3.2

days

0.1d10,000d

Distance

197.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

18.16

Mass (Earth masses)

209.77

Measured

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

3.244+0.000−0.000days

Planet Mass (Earth masses)

209.77+38.14−38.14

Planet Mass (Jupiter masses)

0.6600+0.1200−0.1200

Eccentricity

0.0400+0.0500−0.0500

Radial Velocity Semi-Amplitude

104.00+6.40−6.40m/s

Distance from Earth

197.6 pc (~644 ly)

Spectral Type

Unknown

Temperature

5754 K

Mass (Solar)

0.81 M☉

Radius (Solar)

1.46 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

283.3054°, 24.1272°

Discovery Method

Transit

Discovery Year

2015

Data Sources
NASA Exoplanet Archive

Source ID: KELT-8 b

System Context

KELT-8 b orbits KELT-8 and was reported in 2015 and was detected with the Transit method.

Published measurements list a radius of 18.16 Earth radii, a mass of 209.77 Earth masses, and an orbital period of 3.24 days.

Catalog data places the system at about 197.6 parsecs from Earth 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-8