Exoplanet

K2-191 b

Orbiting K2-191

Overview

K2-191 b is an exoplanet orbiting the star K2-191, discovered in 2018 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

1.58

Earth radii

015 R⊕

Mass (est.)

3.32

Earth masses

0500 M⊕

Orbital Period

2.9

days

0.1d10,000d

Distance

287.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.58

Mass (Earth masses)

3.32

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mayo et al. 2018

Orbital Period

2.859+0.000−0.000days

Distance from Earth

287.2 pc (~937 ly)

Spectral Type

Unknown

Temperature

5176 K

Mass (Solar)

0.90 M☉

Radius (Solar)

0.84 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

201.6391°, -12.8067°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-191 b

System Context

K2-191 b orbits K2-191 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 1.58 Earth radii, a mass of 3.32 Earth masses (estimated), and an orbital period of 2.86 days.

Catalog data places the system at about 287.2 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 K2-191
K2-191 b